Updates the content for the specified block_id based on the block type. Supported fields based on the block object type (see Block object for available fields and the expected input for each field).

Note: The update replaces the entire value for a given field. If a field is omitted (ex: omitting checked when updating a to_do block), the value will not be changed.

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Updating child_page blocks

To update child_page type blocks, use the Update page endpoint. Updating the page's title updates the text displayed in the associated child_page block.

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Updating child_database blocks

To update child_database type blocks, use the Update database endpoint. Updating the page's title updates the text displayed in the associated child_database block.

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Updating children

A block's children CANNOT be directly updated with this endpoint. Instead use Append block children to add children.

Success

Returns a 200 HTTP response containing the updated block object on success.

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Integration capabilities

This endpoint requires an integration to have update content capabilities. Attempting to call this API without update content capabilities will return an HTTP response with a 403 status code. For more information on integration capabilities, see the capabilities guide.

Errors

Returns a 404 HTTP response if the block doesn't exist, has been archived, or if the integration doesn't have access to the page.

Returns a 400 if the type for the block is incorrect or the input is incorrect for a given field.

Returns a 400 or a 429 HTTP response if the request exceeds the request limits.

Language
Authentication
OAuth2