instagram_content_publish
The
instagram_content_publish permission allows your app to create organic feed photo and video posts on behalf of a business user. The allowed usage for this permission is to manage your Instagram organic content creation process, for example post photos or videos to a main feed, on behalf of a business. You may also use this permission to request analytics insights to improve your app and for marketing or advertising purposes, through the use of aggregated and de-identified or anonymized information (provided such data cannot be re-identified).