I have tried as shown in the documentation: Request: https://graph.facebook.com/v21.0/search?access_token=[REDACTED]&type=ads&class=behaviors Response: {"error":{"message":"Unsupported get request. Please read the Graph API documentation at https:\/\/developers.facebook.com\/docs\/graph-api","type":"GraphMethodException","code":100,"error_subcode":33,"fbtrace_id":"AyDibxPgBWPP9oAo8fBQskh"}}