code: def create_endpoint(self, endpoint):
          
          self._validate_subscriber_id(endpoint.subscriber_id)
  
          url = "/notification/v1/endpoint"
          response = NWS_DAO().postURL(
              url, self._write_headers(), self._json_body(endpoint.json_data()))
  
          if response.status != 201:
              raise DataFailureException(url, response.status, response.data)
          return response.status
docs: Create a new endpoint
          :param endpoint: is the new endpoint that the client wants to create