> ## Documentation Index
> Fetch the complete documentation index at: https://developers.notion.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Query session events

> Retrieve a page of events from an accessible session.

Tool calls identify their tool and lifecycle status, without tool inputs or outputs.


## OpenAPI

````yaml post /v1/sessions/{session_id}/events/query
openapi: 3.1.0
info:
  title: Notion API
  version: 1.0.0
  termsOfService: >-
    https://notion.notion.site/Terms-and-Privacy-28ffdd083dc3473e9c2da6ec011b58ac
servers:
  - url: https://api.notion.com
security:
  - bearerAuth: []
tags:
  - name: Databases
    description: Database endpoints
  - name: Data sources
    description: Data source endpoints
  - name: Pages
    description: Page endpoints
  - name: Async tasks
    description: Async task endpoints
  - name: Blocks
    description: Block endpoints
  - name: Comments
    description: Comment endpoints
  - name: File uploads
    description: File upload endpoints
  - name: OAuth
    description: OAuth endpoints (basic authentication)
  - name: Users
    description: User endpoints
  - name: Search
    description: Search endpoints
  - name: Views
    description: View endpoints
  - name: Agents
    description: Agent endpoints
  - name: Sessions
    description: Session endpoints
  - name: Custom emojis
    description: Custom emoji endpoints
  - name: Meeting notes
    description: Meeting notes endpoints
paths:
  /v1/sessions/{session_id}/events/query:
    post:
      tags:
        - Sessions
      summary: Query session events
      operationId: query-session-events
      parameters:
        - name: session_id
          in: path
          required: true
          schema:
            $ref: '#/components/schemas/idRequest'
            description: The ID of the session whose events should be queried.
        - $ref: '#/components/parameters/notionVersion'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                filter:
                  oneOf:
                    - type: object
                      required:
                        - property
                        - string
                      additionalProperties: false
                      properties:
                        property:
                          type: string
                          enum:
                            - id
                        string:
                          type: object
                          properties:
                            equals:
                              type: string
                          required:
                            - equals
                          additionalProperties: false
                    - type: object
                      required:
                        - property
                        - event_type
                      additionalProperties: false
                      properties:
                        property:
                          type: string
                          enum:
                            - type
                        event_type:
                          type: object
                          additionalProperties: false
                          properties:
                            equals:
                              type: string
                              enum:
                                - user.message
                                - agent.message
                                - agent.thinking
                                - agent.tool_use
                                - agent.tool_result
                                - session.status
                            in:
                              type: array
                              items:
                                type: string
                                enum:
                                  - user.message
                                  - agent.message
                                  - agent.thinking
                                  - agent.tool_use
                                  - agent.tool_result
                                  - session.status
                    - type: object
                      required:
                        - property
                        - number
                      additionalProperties: false
                      properties:
                        property:
                          type: string
                          enum:
                            - sequence
                        number:
                          type: object
                          additionalProperties: false
                          properties:
                            greater_than:
                              type: number
                            greater_than_or_equal_to:
                              type: number
                            less_than:
                              type: number
                            less_than_or_equal_to:
                              type: number
                    - type: object
                      required:
                        - property
                        - timestamp
                      additionalProperties: false
                      properties:
                        property:
                          type: string
                          enum:
                            - created_at
                        timestamp:
                          type: object
                          additionalProperties: false
                          properties:
                            equals:
                              type: string
                              format: date-time
                            before:
                              type: string
                              format: date-time
                            after:
                              type: string
                              format: date-time
                            on_or_before:
                              type: string
                              format: date-time
                            on_or_after:
                              type: string
                              format: date-time
                    - type: object
                      required:
                        - and
                      additionalProperties: false
                      properties:
                        and:
                          type: array
                          items:
                            oneOf:
                              - type: object
                                required:
                                  - property
                                  - string
                                additionalProperties: false
                                properties:
                                  property:
                                    type: string
                                    enum:
                                      - id
                                  string:
                                    type: object
                                    properties:
                                      equals:
                                        type: string
                                    required:
                                      - equals
                                    additionalProperties: false
                              - type: object
                                required:
                                  - property
                                  - event_type
                                additionalProperties: false
                                properties:
                                  property:
                                    type: string
                                    enum:
                                      - type
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                                    type: object
                                    additionalProperties: false
                                    properties:
                                      equals:
                                        type: string
                                        enum:
                                          - user.message
                                          - agent.message
                                          - agent.thinking
                                          - agent.tool_use
                                          - agent.tool_result
                                          - session.status
                                      in:
                                        type: array
                                        items:
                                          type: string
                                          enum:
                                            - user.message
                                            - agent.message
                                            - agent.thinking
                                            - agent.tool_use
                                            - agent.tool_result
                                            - session.status
                              - type: object
                                required:
                                  - property
                                  - number
                                additionalProperties: false
                                properties:
                                  property:
                                    type: string
                                    enum:
                                      - sequence
                                  number:
                                    type: object
                                    additionalProperties: false
                                    properties:
                                      greater_than:
                                        type: number
                                      greater_than_or_equal_to:
                                        type: number
                                      less_than:
                                        type: number
                                      less_than_or_equal_to:
                                        type: number
                              - type: object
                                required:
                                  - property
                                  - timestamp
                                additionalProperties: false
                                properties:
                                  property:
                                    type: string
                                    enum:
                                      - created_at
                                  timestamp:
                                    type: object
                                    additionalProperties: false
                                    properties:
                                      equals:
                                        type: string
                                        format: date-time
                                      before:
                                        type: string
                                        format: date-time
                                      after:
                                        type: string
                                        format: date-time
                                      on_or_before:
                                        type: string
                                        format: date-time
                                      on_or_after:
                                        type: string
                                        format: date-time
                              - type: object
                                required:
                                  - and
                                additionalProperties: false
                                properties:
                                  and:
                                    type: array
                                    items:
                                      oneOf:
                                        - type: object
                                          required:
                                            - property
                                            - string
                                          additionalProperties: false
                                          properties:
                                            property:
                                              type: string
                                              enum:
                                                - id
                                            string:
                                              type: object
                                              properties:
                                                equals:
                                                  type: string
                                              required:
                                                - equals
                                              additionalProperties: false
                                        - type: object
                                          required:
                                            - property
                                            - event_type
                                          additionalProperties: false
                                          properties:
                                            property:
                                              type: string
                                              enum:
                                                - type
                                            event_type:
                                              type: object
                                              additionalProperties: false
                                              properties:
                                                equals:
                                                  type: string
                                                  enum:
                                                    - user.message
                                                    - agent.message
                                                    - agent.thinking
                                                    - agent.tool_use
                                                    - agent.tool_result
                                                    - session.status
                                                in:
                                                  type: array
                                                  items:
                                                    type: string
                                                    enum:
                                                      - user.message
                                                      - agent.message
                                                      - agent.thinking
                                                      - agent.tool_use
                                                      - agent.tool_result
                                                      - session.status
                                        - type: object
                                          required:
                                            - property
                                            - number
                                          additionalProperties: false
                                          properties:
                                            property:
                                              type: string
                                              enum:
                                                - sequence
                                            number:
                                              type: object
                                              additionalProperties: false
                                              properties:
                                                greater_than:
                                                  type: number
                                                greater_than_or_equal_to:
                                                  type: number
                                                less_than:
                                                  type: number
                                                less_than_or_equal_to:
                                                  type: number
                                        - type: object
                                          required:
                                            - property
                                            - timestamp
                                          additionalProperties: false
                                          properties:
                                            property:
                                              type: string
                                              enum:
                                                - created_at
                                            timestamp:
                                              type: object
                                              additionalProperties: false
                                              properties:
                                                equals:
                                                  type: string
                                                  format: date-time
                                                before:
                                                  type: string
                                                  format: date-time
                                                after:
                                                  type: string
                                                  format: date-time
                                                on_or_before:
                                                  type: string
                                                  format: date-time
                                                on_or_after:
                                                  type: string
                                                  format: date-time
                                        - type: object
                                          required:
                                            - and
                                          additionalProperties: false
                                          properties:
                                            and:
                                              type: array
                                              items:
                                                oneOf:
                                                  - type: object
                                                    required:
                                                      - property
                                                      - string
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - id
                                                      string:
                                                        type: object
                                                        properties:
                                                          equals:
                                                            type: string
                                                        required:
                                                          - equals
                                                        additionalProperties: false
                                                  - type: object
                                                    required:
                                                      - property
                                                      - event_type
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - type
                                                      event_type:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          equals:
                                                            type: string
                                                            enum:
                                                              - user.message
                                                              - agent.message
                                                              - agent.thinking
                                                              - agent.tool_use
                                                              - agent.tool_result
                                                              - session.status
                                                          in:
                                                            type: array
                                                            items:
                                                              type: string
                                                              enum:
                                                                - user.message
                                                                - agent.message
                                                                - agent.thinking
                                                                - agent.tool_use
                                                                - agent.tool_result
                                                                - session.status
                                                  - type: object
                                                    required:
                                                      - property
                                                      - number
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - sequence
                                                      number:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          greater_than:
                                                            type: number
                                                          greater_than_or_equal_to:
                                                            type: number
                                                          less_than:
                                                            type: number
                                                          less_than_or_equal_to:
                                                            type: number
                                                  - type: object
                                                    required:
                                                      - property
                                                      - timestamp
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - created_at
                                                      timestamp:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          equals:
                                                            type: string
                                                            format: date-time
                                                          before:
                                                            type: string
                                                            format: date-time
                                                          after:
                                                            type: string
                                                            format: date-time
                                                          on_or_before:
                                                            type: string
                                                            format: date-time
                                                          on_or_after:
                                                            type: string
                                                            format: date-time
                                        - type: object
                                          required:
                                            - or
                                          additionalProperties: false
                                          properties:
                                            or:
                                              type: array
                                              items:
                                                oneOf:
                                                  - type: object
                                                    required:
                                                      - property
                                                      - string
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - id
                                                      string:
                                                        type: object
                                                        properties:
                                                          equals:
                                                            type: string
                                                        required:
                                                          - equals
                                                        additionalProperties: false
                                                  - type: object
                                                    required:
                                                      - property
                                                      - event_type
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - type
                                                      event_type:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          equals:
                                                            type: string
                                                            enum:
                                                              - user.message
                                                              - agent.message
                                                              - agent.thinking
                                                              - agent.tool_use
                                                              - agent.tool_result
                                                              - session.status
                                                          in:
                                                            type: array
                                                            items:
                                                              type: string
                                                              enum:
                                                                - user.message
                                                                - agent.message
                                                                - agent.thinking
                                                                - agent.tool_use
                                                                - agent.tool_result
                                                                - session.status
                                                  - type: object
                                                    required:
                                                      - property
                                                      - number
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - sequence
                                                      number:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          greater_than:
                                                            type: number
                                                          greater_than_or_equal_to:
                                                            type: number
                                                          less_than:
                                                            type: number
                                                          less_than_or_equal_to:
                                                            type: number
                                                  - type: object
                                                    required:
                                                      - property
                                                      - timestamp
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - created_at
                                                      timestamp:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          equals:
                                                            type: string
                                                            format: date-time
                                                          before:
                                                            type: string
                                                            format: date-time
                                                          after:
                                                            type: string
                                                            format: date-time
                                                          on_or_before:
                                                            type: string
                                                            format: date-time
                                                          on_or_after:
                                                            type: string
                                                            format: date-time
                              - type: object
                                required:
                                  - or
                                additionalProperties: false
                                properties:
                                  or:
                                    type: array
                                    items:
                                      oneOf:
                                        - type: object
                                          required:
                                            - property
                                            - string
                                          additionalProperties: false
                                          properties:
                                            property:
                                              type: string
                                              enum:
                                                - id
                                            string:
                                              type: object
                                              properties:
                                                equals:
                                                  type: string
                                              required:
                                                - equals
                                              additionalProperties: false
                                        - type: object
                                          required:
                                            - property
                                            - event_type
                                          additionalProperties: false
                                          properties:
                                            property:
                                              type: string
                                              enum:
                                                - type
                                            event_type:
                                              type: object
                                              additionalProperties: false
                                              properties:
                                                equals:
                                                  type: string
                                                  enum:
                                                    - user.message
                                                    - agent.message
                                                    - agent.thinking
                                                    - agent.tool_use
                                                    - agent.tool_result
                                                    - session.status
                                                in:
                                                  type: array
                                                  items:
                                                    type: string
                                                    enum:
                                                      - user.message
                                                      - agent.message
                                                      - agent.thinking
                                                      - agent.tool_use
                                                      - agent.tool_result
                                                      - session.status
                                        - type: object
                                          required:
                                            - property
                                            - number
                                          additionalProperties: false
                                          properties:
                                            property:
                                              type: string
                                              enum:
                                                - sequence
                                            number:
                                              type: object
                                              additionalProperties: false
                                              properties:
                                                greater_than:
                                                  type: number
                                                greater_than_or_equal_to:
                                                  type: number
                                                less_than:
                                                  type: number
                                                less_than_or_equal_to:
                                                  type: number
                                        - type: object
                                          required:
                                            - property
                                            - timestamp
                                          additionalProperties: false
                                          properties:
                                            property:
                                              type: string
                                              enum:
                                                - created_at
                                            timestamp:
                                              type: object
                                              additionalProperties: false
                                              properties:
                                                equals:
                                                  type: string
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                                                before:
                                                  type: string
                                                  format: date-time
                                                after:
                                                  type: string
                                                  format: date-time
                                                on_or_before:
                                                  type: string
                                                  format: date-time
                                                on_or_after:
                                                  type: string
                                                  format: date-time
                                        - type: object
                                          required:
                                            - and
                                          additionalProperties: false
                                          properties:
                                            and:
                                              type: array
                                              items:
                                                oneOf:
                                                  - type: object
                                                    required:
                                                      - property
                                                      - string
                                                    additionalProperties: false
                                                    properties:
                                                      property:
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                                                        enum:
                                                          - id
                                                      string:
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                                                        properties:
                                                          equals:
                                                            type: string
                                                        required:
                                                          - equals
                                                        additionalProperties: false
                                                  - type: object
                                                    required:
                                                      - property
                                                      - event_type
                                                    additionalProperties: false
                                                    properties:
                                                      property:
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                                                        enum:
                                                          - type
                                                      event_type:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          equals:
                                                            type: string
                                                            enum:
                                                              - user.message
                                                              - agent.message
                                                              - agent.thinking
                                                              - agent.tool_use
                                                              - agent.tool_result
                                                              - session.status
                                                          in:
                                                            type: array
                                                            items:
                                                              type: string
                                                              enum:
                                                                - user.message
                                                                - agent.message
                                                                - agent.thinking
                                                                - agent.tool_use
                                                                - agent.tool_result
                                                                - session.status
                                                  - type: object
                                                    required:
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                                                      - number
                                                    additionalProperties: false
                                                    properties:
                                                      property:
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                                                        enum:
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                                                      number:
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                                                        properties:
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                                                            type: number
                                                          greater_than_or_equal_to:
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                                                          less_than_or_equal_to:
                                                            type: number
                                                  - type: object
                                                    required:
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                                                      - timestamp
                                                    additionalProperties: false
                                                    properties:
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                                                        properties:
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                                                          before:
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                                                          after:
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                                                            format: date-time
                                                          on_or_before:
                                                            type: string
                                                            format: date-time
                                                          on_or_after:
                                                            type: string
                                                            format: date-time
                                        - type: object
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                                                    properties:
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                                                        enum:
                                                          - type
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                                                        properties:
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                                                            enum:
                                                              - user.message
                                                              - agent.message
                                                              - agent.thinking
                                                              - agent.tool_use
                                                              - agent.tool_result
                                                              - session.status
                                                          in:
                                                            type: array
                                                            items:
                                                              type: string
                                                              enum:
                                                                - user.message
                                                                - agent.message
                                                                - agent.thinking
                                                                - agent.tool_use
                                                                - agent.tool_result
                                                                - session.status
                                                  - type: object
                                                    required:
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                                                      - number
                                                    additionalProperties: false
                                                    properties:
                                                      property:
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                                                        enum:
                                                          - sequence
                                                      number:
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                                                        additionalProperties: false
                                                        properties:
                                                          greater_than:
                                                            type: number
                                                          greater_than_or_equal_to:
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                                                          less_than:
                                                            type: number
                                                          less_than_or_equal_to:
                                                            type: number
                                                  - type: object
                                                    required:
                                                      - property
                                                      - timestamp
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - created_at
                                                      timestamp:
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                                                        properties:
                                                          equals:
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                                                          before:
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                                                            format: date-time
                                                          after:
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                                                            format: date-time
                                                          on_or_before:
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                                                            format: date-time
                                                          on_or_after:
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                                                            format: date-time
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                                    additionalProperties: false
                                    properties:
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                                      greater_than_or_equal_to:
                                        type: number
                                      less_than:
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                                      less_than_or_equal_to:
                                        type: number
                              - type: object
                                required:
                                  - property
                                  - timestamp
                                additionalProperties: false
                                properties:
                                  property:
                                    type: string
                                    enum:
                                      - created_at
                                  timestamp:
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                                    additionalProperties: false
                                    properties:
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                                        format: date-time
                                      before:
                                        type: string
                                        format: date-time
                                      after:
                                        type: string
                                        format: date-time
                                      on_or_before:
                                        type: string
                                        format: date-time
                                      on_or_after:
                                        type: string
                                        format: date-time
                              - type: object
                                required:
                                  - and
                                additionalProperties: false
                                properties:
                                  and:
                                    type: array
                                    items:
                                      oneOf:
                                        - type: object
                                          required:
                                            - property
                                            - string
                                          additionalProperties: false
                                          properties:
                                            property:
                                              type: string
                                              enum:
                                                - id
                                            string:
                                              type: object
                                              properties:
                                                equals:
                                                  type: string
                                              required:
                                                - equals
                                              additionalProperties: false
                                        - type: object
                                          required:
                                            - property
                                            - event_type
                                          additionalProperties: false
                                          properties:
                                            property:
                                              type: string
                                              enum:
                                                - type
                                            event_type:
                                              type: object
                                              additionalProperties: false
                                              properties:
                                                equals:
                                                  type: string
                                                  enum:
                                                    - user.message
                                                    - agent.message
                                                    - agent.thinking
                                                    - agent.tool_use
                                                    - agent.tool_result
                                                    - session.status
                                                in:
                                                  type: array
                                                  items:
                                                    type: string
                                                    enum:
                                                      - user.message
                                                      - agent.message
                                                      - agent.thinking
                                                      - agent.tool_use
                                                      - agent.tool_result
                                                      - session.status
                                        - type: object
                                          required:
                                            - property
                                            - number
                                          additionalProperties: false
                                          properties:
                                            property:
                                              type: string
                                              enum:
                                                - sequence
                                            number:
                                              type: object
                                              additionalProperties: false
                                              properties:
                                                greater_than:
                                                  type: number
                                                greater_than_or_equal_to:
                                                  type: number
                                                less_than:
                                                  type: number
                                                less_than_or_equal_to:
                                                  type: number
                                        - type: object
                                          required:
                                            - property
                                            - timestamp
                                          additionalProperties: false
                                          properties:
                                            property:
                                              type: string
                                              enum:
                                                - created_at
                                            timestamp:
                                              type: object
                                              additionalProperties: false
                                              properties:
                                                equals:
                                                  type: string
                                                  format: date-time
                                                before:
                                                  type: string
                                                  format: date-time
                                                after:
                                                  type: string
                                                  format: date-time
                                                on_or_before:
                                                  type: string
                                                  format: date-time
                                                on_or_after:
                                                  type: string
                                                  format: date-time
                                        - type: object
                                          required:
                                            - and
                                          additionalProperties: false
                                          properties:
                                            and:
                                              type: array
                                              items:
                                                oneOf:
                                                  - type: object
                                                    required:
                                                      - property
                                                      - string
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - id
                                                      string:
                                                        type: object
                                                        properties:
                                                          equals:
                                                            type: string
                                                        required:
                                                          - equals
                                                        additionalProperties: false
                                                  - type: object
                                                    required:
                                                      - property
                                                      - event_type
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - type
                                                      event_type:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          equals:
                                                            type: string
                                                            enum:
                                                              - user.message
                                                              - agent.message
                                                              - agent.thinking
                                                              - agent.tool_use
                                                              - agent.tool_result
                                                              - session.status
                                                          in:
                                                            type: array
                                                            items:
                                                              type: string
                                                              enum:
                                                                - user.message
                                                                - agent.message
                                                                - agent.thinking
                                                                - agent.tool_use
                                                                - agent.tool_result
                                                                - session.status
                                                  - type: object
                                                    required:
                                                      - property
                                                      - number
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - sequence
                                                      number:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          greater_than:
                                                            type: number
                                                          greater_than_or_equal_to:
                                                            type: number
                                                          less_than:
                                                            type: number
                                                          less_than_or_equal_to:
                                                            type: number
                                                  - type: object
                                                    required:
                                                      - property
                                                      - timestamp
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - created_at
                                                      timestamp:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          equals:
                                                            type: string
                                                            format: date-time
                                                          before:
                                                            type: string
                                                            format: date-time
                                                          after:
                                                            type: string
                                                            format: date-time
                                                          on_or_before:
                                                            type: string
                                                            format: date-time
                                                          on_or_after:
                                                            type: string
                                                            format: date-time
                                        - type: object
                                          required:
                                            - or
                                          additionalProperties: false
                                          properties:
                                            or:
                                              type: array
                                              items:
                                                oneOf:
                                                  - type: object
                                                    required:
                                                      - property
                                                      - string
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - id
                                                      string:
                                                        type: object
                                                        properties:
                                                          equals:
                                                            type: string
                                                        required:
                                                          - equals
                                                        additionalProperties: false
                                                  - type: object
                                                    required:
                                                      - property
                                                      - event_type
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - type
                                                      event_type:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          equals:
                                                            type: string
                                                            enum:
                                                              - user.message
                                                              - agent.message
                                                              - agent.thinking
                                                              - agent.tool_use
                                                              - agent.tool_result
                                                              - session.status
                                                          in:
                                                            type: array
                                                            items:
                                                              type: string
                                                              enum:
                                                                - user.message
                                                                - agent.message
                                                                - agent.thinking
                                                                - agent.tool_use
                                                                - agent.tool_result
                                                                - session.status
                                                  - type: object
                                                    required:
                                                      - property
                                                      - number
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - sequence
                                                      number:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          greater_than:
                                                            type: number
                                                          greater_than_or_equal_to:
                                                            type: number
                                                          less_than:
                                                            type: number
                                                          less_than_or_equal_to:
                                                            type: number
                                                  - type: object
                                                    required:
                                                      - property
                                                      - timestamp
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - created_at
                                                      timestamp:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          equals:
                                                            type: string
                                                            format: date-time
                                                          before:
                                                            type: string
                                                            format: date-time
                                                          after:
                                                            type: string
                                                            format: date-time
                                                          on_or_before:
                                                            type: string
                                                            format: date-time
                                                          on_or_after:
                                                            type: string
                                                            format: date-time
                              - type: object
                                required:
                                  - or
                                additionalProperties: false
                                properties:
                                  or:
                                    type: array
                                    items:
                                      oneOf:
                                        - type: object
                                          required:
                                            - property
                                            - string
                                          additionalProperties: false
                                          properties:
                                            property:
                                              type: string
                                              enum:
                                                - id
                                            string:
                                              type: object
                                              properties:
                                                equals:
                                                  type: string
                                              required:
                                                - equals
                                              additionalProperties: false
                                        - type: object
                                          required:
                                            - property
                                            - event_type
                                          additionalProperties: false
                                          properties:
                                            property:
                                              type: string
                                              enum:
                                                - type
                                            event_type:
                                              type: object
                                              additionalProperties: false
                                              properties:
                                                equals:
                                                  type: string
                                                  enum:
                                                    - user.message
                                                    - agent.message
                                                    - agent.thinking
                                                    - agent.tool_use
                                                    - agent.tool_result
                                                    - session.status
                                                in:
                                                  type: array
                                                  items:
                                                    type: string
                                                    enum:
                                                      - user.message
                                                      - agent.message
                                                      - agent.thinking
                                                      - agent.tool_use
                                                      - agent.tool_result
                                                      - session.status
                                        - type: object
                                          required:
                                            - property
                                            - number
                                          additionalProperties: false
                                          properties:
                                            property:
                                              type: string
                                              enum:
                                                - sequence
                                            number:
                                              type: object
                                              additionalProperties: false
                                              properties:
                                                greater_than:
                                                  type: number
                                                greater_than_or_equal_to:
                                                  type: number
                                                less_than:
                                                  type: number
                                                less_than_or_equal_to:
                                                  type: number
                                        - type: object
                                          required:
                                            - property
                                            - timestamp
                                          additionalProperties: false
                                          properties:
                                            property:
                                              type: string
                                              enum:
                                                - created_at
                                            timestamp:
                                              type: object
                                              additionalProperties: false
                                              properties:
                                                equals:
                                                  type: string
                                                  format: date-time
                                                before:
                                                  type: string
                                                  format: date-time
                                                after:
                                                  type: string
                                                  format: date-time
                                                on_or_before:
                                                  type: string
                                                  format: date-time
                                                on_or_after:
                                                  type: string
                                                  format: date-time
                                        - type: object
                                          required:
                                            - and
                                          additionalProperties: false
                                          properties:
                                            and:
                                              type: array
                                              items:
                                                oneOf:
                                                  - type: object
                                                    required:
                                                      - property
                                                      - string
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - id
                                                      string:
                                                        type: object
                                                        properties:
                                                          equals:
                                                            type: string
                                                        required:
                                                          - equals
                                                        additionalProperties: false
                                                  - type: object
                                                    required:
                                                      - property
                                                      - event_type
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - type
                                                      event_type:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          equals:
                                                            type: string
                                                            enum:
                                                              - user.message
                                                              - agent.message
                                                              - agent.thinking
                                                              - agent.tool_use
                                                              - agent.tool_result
                                                              - session.status
                                                          in:
                                                            type: array
                                                            items:
                                                              type: string
                                                              enum:
                                                                - user.message
                                                                - agent.message
                                                                - agent.thinking
                                                                - agent.tool_use
                                                                - agent.tool_result
                                                                - session.status
                                                  - type: object
                                                    required:
                                                      - property
                                                      - number
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - sequence
                                                      number:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          greater_than:
                                                            type: number
                                                          greater_than_or_equal_to:
                                                            type: number
                                                          less_than:
                                                            type: number
                                                          less_than_or_equal_to:
                                                            type: number
                                                  - type: object
                                                    required:
                                                      - property
                                                      - timestamp
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - created_at
                                                      timestamp:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          equals:
                                                            type: string
                                                            format: date-time
                                                          before:
                                                            type: string
                                                            format: date-time
                                                          after:
                                                            type: string
                                                            format: date-time
                                                          on_or_before:
                                                            type: string
                                                            format: date-time
                                                          on_or_after:
                                                            type: string
                                                            format: date-time
                                        - type: object
                                          required:
                                            - or
                                          additionalProperties: false
                                          properties:
                                            or:
                                              type: array
                                              items:
                                                oneOf:
                                                  - type: object
                                                    required:
                                                      - property
                                                      - string
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - id
                                                      string:
                                                        type: object
                                                        properties:
                                                          equals:
                                                            type: string
                                                        required:
                                                          - equals
                                                        additionalProperties: false
                                                  - type: object
                                                    required:
                                                      - property
                                                      - event_type
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - type
                                                      event_type:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          equals:
                                                            type: string
                                                            enum:
                                                              - user.message
                                                              - agent.message
                                                              - agent.thinking
                                                              - agent.tool_use
                                                              - agent.tool_result
                                                              - session.status
                                                          in:
                                                            type: array
                                                            items:
                                                              type: string
                                                              enum:
                                                                - user.message
                                                                - agent.message
                                                                - agent.thinking
                                                                - agent.tool_use
                                                                - agent.tool_result
                                                                - session.status
                                                  - type: object
                                                    required:
                                                      - property
                                                      - number
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - sequence
                                                      number:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          greater_than:
                                                            type: number
                                                          greater_than_or_equal_to:
                                                            type: number
                                                          less_than:
                                                            type: number
                                                          less_than_or_equal_to:
                                                            type: number
                                                  - type: object
                                                    required:
                                                      - property
                                                      - timestamp
                                                    additionalProperties: false
                                                    properties:
                                                      property:
                                                        type: string
                                                        enum:
                                                          - created_at
                                                      timestamp:
                                                        type: object
                                                        additionalProperties: false
                                                        properties:
                                                          equals:
                                                            type: string
                                                            format: date-time
                                                          before:
                                                            type: string
                                                            format: date-time
                                                          after:
                                                            type: string
                                                            format: date-time
                                                          on_or_before:
                                                            type: string
                                                            format: date-time
                                                          on_or_after:
                                                            type: string
                                                            format: date-time
                  description: >-
                    A session event property filter, or an and/or compound
                    filter nested up to three levels deep.
                sorts:
                  type: array
                  items:
                    type: object
                    properties:
                      property:
                        type: string
                        enum:
                          - sequence
                          - created_at
                        description: 'One of: `sequence`, `created_at`'
                      direction:
                        type: string
                        enum:
                          - ascending
                          - descending
                        description: 'One of: `ascending`, `descending`'
                    additionalProperties: false
                    required:
                      - property
                      - direction
                  maxItems: 2
                  minItems: 1
                  description: Ordered sort precedence. Defaults to sequence ascending.
                start_cursor:
                  type: string
                  description: The continuation cursor returned by the previous page.
                page_size:
                  type: integer
                  minimum: 1
                  maximum: 100
                  description: 'The number of events to return. Maximum: 100.'
              additionalProperties: false
      responses:
        '200':
          description: ''
          content:
            application/json:
              schema:
                type: object
                properties:
                  object:
                    type: string
                    const: list
                    description: Always `list`
                  type:
                    type: string
                    const: session_event
                    description: Always `session_event`
                  session_event:
                    type: object
                    properties: {}
                    additionalProperties: false
                  results:
                    type: array
                    items:
                      oneOf:
                        - type: object
                          properties:
                            object:
                              type: string
                              const: session_event
                              description: Always `session_event`
                            id:
                              type: string
                            session_id:
                              type: string
                            sequence:
                              type: integer
                              minimum: 1
                            created_at:
                              type: string
                            type:
                              type: string
                              const: user.message
                              description: Always `user.message`
                            content:
                              type: array
                              items:
                                oneOf:
                                  - type: object
                                    properties:
                                      type:
                                        type: string
                                        const: text
                                        description: Always `text`
                                      text:
                                        type: string
                                    additionalProperties: false
                                    required:
                                      - type
                                      - text
                                  - type: object
                                    properties:
                                      type:
                                        type: string
                                        const: file
                                        description: Always `file`
                                      name:
                                        type: string
                                      content_type:
                                        type: string
                                      url:
                                        type: string
                                      expiry_time:
                                        type: string
                                    additionalProperties: false
                                    required:
                                      - type
                                      - name
                                      - content_type
                                      - url
                            created_by:
                              oneOf:
                                - type: object
                                  properties:
                                    id:
                                      type: string
                                    type:
                                      type: string
                                      enum:
                                        - user
                                        - bot
                                      description: 'One of: `user`, `bot`'
                                  additionalProperties: false
                                  required:
                                    - id
                                    - type
                                - type: 'null'
                            metadata:
                              oneOf:
                                - type: object
                                  additionalProperties:
                                    type: string
                                    maxLength: 2000
                                - type: 'null'
                          additionalProperties: false
                          required:
                            - object
                            - id
                            - session_id
                            - sequence
                            - created_at
                            - type
                            - content
                            - created_by
                            - metadata
                        - type: object
                          properties:
                            object:
                              type: string
                              const: session_event
                              description: Always `session_event`
                            id:
                              type: string
                            session_id:
                              type: string
                            sequence:
                              type: integer
                              minimum: 1
                            created_at:
                              type: string
                            type:
                              type: string
                              const: agent.message
                              description: Always `agent.message`
                            content:
                              type: array
                              items:
                                oneOf:
                                  - type: object
                                    properties:
                                      type:
                                        type: string
                                        const: text
                                        description: Always `text`
                                      text:
                                        type: string
                                    additionalProperties: false
                                    required:
                                      - type
                                      - text
                                  - type: object
                                    properties:
                                      type:
                                        type: string
                                        const: file
                                        description: Always `file`
                                      name:
                                        type: string
                                      content_type:
                                        type: string
                                      url:
                                        type: string
                                      expiry_time:
                                        type: string
                                    additionalProperties: false
                                    required:
                                      - type
                                      - name
                                      - content_type
                                      - url
                            created_by:
                              oneOf:
                                - type: object
                                  properties:
                                    id:
                                      type: string
                                    type:
                                      type: string
                                      enum:
                                        - user
                                        - bot
                                      description: 'One of: `user`, `bot`'
                                  additionalProperties: false
                                  required:
                                    - id
                                    - type
                                - type: 'null'
                            metadata:
                              oneOf:
                                - type: object
                                  properties:
                                    model:
                                      type: string
                                  additionalProperties: false
                                  required:
                                    - model
                                - type: 'null'
                          additionalProperties: false
                          required:
                            - object
                            - id
                            - session_id
                            - sequence
                            - created_at
                            - type
                            - content
                            - created_by
                            - metadata
                        - type: object
                          properties:
                            object:
                              type: string
                              const: session_event
                              description: Always `session_event`
                            id:
                              type: string
                            session_id:
                              type: string
                            sequence:
                              type: integer
                              minimum: 1
                            created_at:
                              type: string
                            type:
                              type: string
                              const: agent.thinking
                              description: Always `agent.thinking`
                            content:
                              type: array
                              items:
                                type: object
                                properties:
                                  type:
                                    type: string
                                    const: text
                                    description: Always `text`
                                  text:
                                    type: string
                                additionalProperties: false
                                required:
                                  - type
                                  - text
                          additionalProperties: false
                          required:
                            - object
                            - id
                            - session_id
                            - sequence
                            - created_at
                            - type
                            - content
                        - type: object
                          properties:
                            object:
                              type: string
                              const: session_event
                              description: Always `session_event`
                            id:
                              type: string
                            session_id:
                              type: string
                            sequence:
                              type: integer
                              minimum: 1
                            created_at:
                              type: string
                            type:
                              type: string
                              const: agent.tool_use
                              description: Always `agent.tool_use`
                            tool_name:
                              type: string
                          additionalProperties: false
                          required:
                            - object
                            - id
                            - session_id
                            - sequence
                            - created_at
                            - type
                            - tool_name
                        - type: object
                          properties:
                            object:
                              type: string
                              const: session_event
                              description: Always `session_event`
                            id:
                              type: string
                            session_id:
                              type: string
                            sequence:
                              type: integer
                              minimum: 1
                            created_at:
                              type: string
                            type:
                              type: string
                              const: agent.tool_result
                              description: Always `agent.tool_result`
                            tool_use_id:
                              type: string
                            tool_name:
                              type: string
                            is_error:
                              type: boolean
                          additionalProperties: false
                          required:
                            - object
                            - id
                            - session_id
                            - sequence
                            - created_at
                            - type
                            - tool_use_id
                            - tool_name
                            - is_error
                        - type: object
                          properties:
                            object:
                              type: string
                              const: session_event
                              description: Always `session_event`
                            id:
                              type: string
                            session_id:
                              type: string
                            sequence:
                              type: integer
                              minimum: 1
                            created_at:
                              type: string
                            type:
                              type: string
                              const: session.status
                              description: Always `session.status`
                            status:
                              type: string
                              enum:
                                - requires_action
                                - completed
                                - failed
                                - canceled
                                - terminated
                              description: >-
                                One of: `requires_action`, `completed`,
                                `failed`, `canceled`, `terminated`
                            required_actions:
                              type: array
                              items:
                                type: object
                                properties:
                                  action_id:
                                    type: string
                                  title:
                                    type: string
                                  options:
                                    type: array
                                    items:
                                      type: object
                                      properties:
                                        id:
                                          type: string
                                          enum:
                                            - approve
                                            - reject
                                          description: 'One of: `approve`, `reject`'
                                        label:
                                          type: string
                                      additionalProperties: false
                                      required:
                                        - id
                                        - label
                                    maxItems: 100
                                additionalProperties: false
                                required:
                                  - action_id
                                  - title
                                  - options
                            error:
                              type: object
                              properties:
                                code:
                                  type: string
                                message:
                                  type: string
                                retryable:
                                  type: boolean
                              additionalProperties: false
                              required:
                                - code
                                - message
                                - retryable
                          additionalProperties: false
                          required:
                            - object
                            - id
                            - session_id
                            - sequence
                            - created_at
                            - type
                            - status
                    maxItems: 100
                  has_more:
                    type: boolean
                  next_cursor:
                    oneOf:
                      - title: Cursor
                        type: string
                      - type: 'null'
                additionalProperties: false
                required:
                  - object
                  - type
                  - session_event
                  - results
                  - has_more
                  - next_cursor
        '400':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error_api_400'
        '401':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error_api_401'
        '403':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error_api_403'
        '404':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error_api_404'
        '406':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error_api_406'
        '409':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error_api_409'
        '429':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error_api_429'
        '500':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error_api_500'
        '503':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error_api_503'
        '504':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error_api_504'
        '529':
          description: ''
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/error_api_529'
      x-codeSamples:
        - lang: javascript
          label: TypeScript SDK
          source: |-
            import { Client } from "@notionhq/client"

            const notion = new Client({ auth: process.env.NOTION_API_KEY })

            const response = await notion.sessions.queryEvents({
              session_id: "2a1c7c06-781b-4987-9986-5c8dd3028014",
              filter: { property: "type", event_type: { equals: "agent.message" } }
            })
components:
  schemas:
    idRequest:
      type: string
    error_api_400:
      allOf:
        - $ref: '#/components/schemas/publicApiCommonErrorResponse'
        - type: object
          properties:
            code:
              enum:
                - invalid_json
                - invalid_request_url
                - invalid_request
                - missing_version
                - invalid_beta
                - validation_error
                - invalid_credit_limit
            status:
              const: 400
          required:
            - code
            - status
          additionalProperties: false
    error_api_401:
      allOf:
        - $ref: '#/components/schemas/publicApiCommonErrorResponse'
        - type: object
          properties:
            code:
              enum:
                - unauthorized
            status:
              const: 401
          required:
            - code
            - status
          additionalProperties: false
    error_api_403:
      oneOf:
        - allOf:
            - $ref: '#/components/schemas/publicApiCommonErrorResponse'
            - type: object
              properties:
                code:
                  enum:
                    - restricted_resource
                    - status_change_not_allowed
                status:
                  const: 403
              required:
                - code
                - status
              additionalProperties: false
        - allOf:
            - $ref: '#/components/schemas/publicApiCommonErrorResponse'
            - type: object
              properties:
                code:
                  const: workspace_credits_exhausted
                status:
                  const: 403
                additional_data:
                  type: object
                  properties:
                    tool_error_code:
                      const: workspace_credits_exhausted
                    tool_error_class:
                      const: entitlement_required
                    tool_error_retryable:
                      const: 'false'
                    recovery_kind:
                      enum:
                        - contact_workspace_owner
                        - open_workspace_credit_settings
                      description: The recovery action selected by Notion for the caller.
                    recovery_url:
                      type: string
                      format: uri
                      description: >-
                        Present when recovery_kind directs the caller to a
                        settings page.
                  required:
                    - tool_error_code
                    - tool_error_class
                    - tool_error_retryable
                    - recovery_kind
                  additionalProperties:
                    oneOf:
                      - type: string
                      - type: array
                        items:
                          type: string
              required:
                - code
                - status
                - additional_data
        - allOf:
            - $ref: '#/components/schemas/publicApiCommonErrorResponse'
            - type: object
              properties:
                code:
                  const: agent_credit_limit_reached
                status:
                  const: 403
                additional_data:
                  type: object
                  properties:
                    tool_error_code:
                      const: agent_credit_limit_reached
                    tool_error_class:
                      const: entitlement_required
                    tool_error_retryable:
                      const: 'false'
                    recovery_kind:
                      enum:
                        - contact_workspace_owner
                        - none
                        - open_agent_settings
                        - request_agent_limit_increase
                        - request_pending
                      description: The recovery action selected by Notion for the caller.
                    recovery_url:
                      type: string
                      format: uri
                      description: >-
                        Present when recovery_kind directs the caller to a
                        settings page.
                  required:
                    - tool_error_code
                    - tool_error_class
                    - tool_error_retryable
                    - recovery_kind
                  additionalProperties:
                    oneOf:
                      - type: string
                      - type: array
                        items:
                          type: string
              required:
                - code
                - status
                - additional_data
    error_api_404:
      allOf:
        - $ref: '#/components/schemas/publicApiCommonErrorResponse'
        - type: object
          properties:
            code:
              enum:
                - object_not_found
                - directory_not_found
            status:
              const: 404
          required:
            - code
            - status
          additionalProperties: false
    error_api_406:
      allOf:
        - $ref: '#/components/schemas/publicApiCommonErrorResponse'
        - type: object
          properties:
            code:
              enum:
                - row_limit_exceeded
            status:
              const: 406
          required:
            - code
            - status
          additionalProperties: false
    error_api_409:
      allOf:
        - $ref: '#/components/schemas/publicApiCommonErrorResponse'
        - type: object
          properties:
            code:
              enum:
                - conflict_error
                - idempotency_key_reused
                - agent_deleted
            status:
              const: 409
          required:
            - code
            - status
          additionalProperties: false
    error_api_429:
      allOf:
        - $ref: '#/components/schemas/publicApiCommonErrorResponse'
        - type: object
          properties:
            code:
              enum:
                - rate_limited
            status:
              const: 429
          required:
            - code
            - status
          additionalProperties: false
    error_api_500:
      allOf:
        - $ref: '#/components/schemas/publicApiCommonErrorResponse'
        - type: object
          properties:
            code:
              enum:
                - internal_server_error
            status:
              const: 500
          required:
            - code
            - status
          additionalProperties: false
    error_api_503:
      allOf:
        - $ref: '#/components/schemas/publicApiCommonErrorResponse'
        - type: object
          properties:
            code:
              enum:
                - service_unavailable
            status:
              const: 503
          required:
            - code
            - status
          additionalProperties: false
    error_api_504:
      allOf:
        - $ref: '#/components/schemas/publicApiCommonErrorResponse'
        - type: object
          properties:
            code:
              enum:
                - gateway_timeout
            status:
              const: 504
          required:
            - code
            - status
          additionalProperties: false
    error_api_529:
      allOf:
        - $ref: '#/components/schemas/publicApiCommonErrorResponse'
        - type: object
          properties:
            code:
              enum:
                - service_overload
            status:
              const: 529
          required:
            - code
            - status
          additionalProperties: false
    publicApiCommonErrorResponse:
      type: object
      properties:
        object:
          const: error
        message:
          type: string
        additional_data:
          type: object
          additionalProperties:
            oneOf:
              - type: string
              - type: array
                items:
                  type: string
      required:
        - object
        - message
  parameters:
    notionVersion:
      name: Notion-Version
      in: header
      required: true
      schema:
        enum:
          - '2026-03-11'
      description: >-
        The [API version](/reference/versioning) to use for this request. The
        latest version is `2026-03-11`.
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer

````