An emoji object contains information about an emoji character. It is most often used to represent an emoji that is rendered as a page icon in the Notion UI.

{
  "type": "emoji",
  "emoji": "😻"
}

The object contains the following fields:

TypeDescriptionExample value
type"emoji"The constant string "emoji" that represents the object type."emoji"
emojistringThe emoji character."😻"

To use the Notion API to render an emoji object as a page icon, set a page’s icon property field to an emoji object.

Example: set a page icon via the Create a page endpoint

curl 'https://api.notion.com/v1/pages' \
  -H 'Authorization: Bearer '"$NOTION_API_KEY"'' \
  -H "Content-Type: application/json" \
  -H "Notion-Version: 2022-06-28" \
  --data '{
  "parent": {
    "page_id": "13d6da822f9343fa8ec14c89b8184d5a"
  },
  "properties": {
    "title": [
      {
        "type": "text",
        "text": {
          "content": "A page with an avocado icon",
          "link": null
        }
      }
    ]
  },
  "icon": {
    "type": "emoji",
    "emoji": "πŸ₯‘"
  }
}'

Example: set a page icon via the Update page endpoint

curl https://api.notion.com/v1/pages/60bdc8bd-3880-44b8-a9cd-8a145b3ffbd7 \
  -H 'Authorization: Bearer '"$NOTION_API_KEY"'' \
  -H "Content-Type: application/json" \
  -H "Notion-Version: 2022-06-28" \
  -X PATCH \
	--data '{
  "icon": {
	  "type": "emoji", 
	  "emoji": "πŸ₯¨"
    }
}'