Emoji
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.
Example emoji object
The object contains the following fields:
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
Example: set a page icon via the Update page endpoint
Custom emoji
Custom emojis are icons uploaded and managed in your own workspace.
The object contains the following fields:
Example: custom emoji in page icon response:
Example emoji object
Example: inline custom emoji response
Example emoji object
Example: set page icon to a custom emoji
Provide the custom emoji ID to preserve/set custom emoji