I am new to FB APIs. I want to subscribe to Instagram business accounts and receive mentions in comments, captions, or stories webhooks. I am following the following docs: https://developers.facebook.com/docs/instagram-api/guides/webhooks/#install-app The problem is I am able to subscribe to Facebook page fields like mention, feed, etc. using POST /{fb-page-id}/subscribed_apps?subscribed_fields=mention&access_token={fb-page-access-token}. But I am not able to subscribe to my Instagram business account. The given syntax in FB docs doesn't works:
?access_token={access-token}
&fields={fields}
I can't put Instagram fields like mentions, comments in the above code it raises errors as well as when I replace the fb-page-id with the id of the Instagram account I get Unsupported post request.
Can anyone tell me what I am doing wrong here?