POST instagram api follow with cURL PHP
You might have enabled enforce signed requests for your instagram client app. So you need to make request with a signed header. For more details visit the following https://instagram.com/developer/restrict-api-requests/ . There they mentioned the common responses for signed requests. We should use access_token for some endpoints. And you are trying to make a post request, before making post request make sure that you have the permission to make a post request on that endpoint.The reason for your response,Header is missing {"code": 403, "error_type": "OAuthForbiddenException", "error_message": "Invalid header: X-Insta-Forwarded-For is required for this operation"}