The server-side API returns minimal data to conserve network bandwidth. If the event payload is valid, a
2xx HTTP response code is returned. If invalid, a
4xx HTTP response code is returned, with minimal error details in the response body.
You can get more detailed information for debugging any request by making a
POST request to
/events/?trace= in Graph API Explorer.
This API is under limited availability. Please contact your Facebook Representative if you believe that you have been granted access, but encounter one of the following errors: