Hull conform to standards regarding HTTP status codes to indicate success or failure of a request:
200
: OK, The requested object exist.201
: Created, the object has been created.400
: Bad Request, required parameters are missing.401
: Unauthorized, Your App ID, Access Token and/or User ID are missing or invalid.404
: Not Found, the requested object doesn’t exist.405
: Method Not Allowed, the called method doesn’t exist.500
, 503
: Server Errors, something went wrong on our side.