We've added the following new API features from the May update in kintone REST API section.
- Get Comments API
Comments can be retrieved from a record by specifying an App ID and Record ID. - Add Comment API
A comment can be added to a record by specifying an App ID and Record ID. Users can also be mentioned by using this API. - Delete Comment API
A comment can be deleted from a record by specifying an App ID, Record ID, and Comment ID. - Update Assignees API
Assignees of a record can be updated with user authentication or API tokens that have permission to both manage the app and view records. To update the status, use the Update Status API.
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