Upload content directly to a gallery or to your account using the POST method
You can upload files directly from your app or extension using the HTTP POST method.
To upload to your account: Click here to get the POST URL.
To upload directly to a gallery: Use the
upload_urlreturned from thegallery.list.jsoncommand.
If the POST is successful, it will return a response with the new resource ID. For example, the resource ID could be AEyCfY7ET4hA.