{"error": "invalid_request", "error_description": "..."}The Refresh Token is revoked, does not exist, or was not issued to the client making the revocation request.
400 Bad Request
{"error": "invalid_request", "error_description": "..."}The required parameters were not sent in the request.
401 Unauthorized
{"error": "invalid_client", "error_description": "..."}The request is not authorized. Check that the client credentials (client_id and client_secret) are present in the request and hold valid values.
