docs: def endpoint_catalog(catalog=None):  # noqa: E501
      """Retrieve the endpoint catalog
  
      Retrieve the endpoint catalog # noqa: E501
  
      :param catalog: The data needed to get a catalog
      :type catalog: dict | bytes
  
      :rtype: Response
      """
      if connexion.request.is_json:
          catalog = UserAuth.from_dict(connexion.request.get_json())  # noqa: E501
      return 'do some magic!'