code: def _send_message(self, method, endpoint, params=None, data=None):
          
          url = self.url + endpoint
          r = self.session.request(method, url, params=params, data=data,
                                   auth=self.auth, timeout=30)
          return r.json()
docs: Send API request.
  
          Args:
              method (str): HTTP method (get, post, delete, etc.)
              endpoint (str): Endpoint (to be added to base URL)
              params (Optional[dict]): HTTP request parameters
              data (Optional[str]): JSON-encoded string payload for POST
  
          Returns:
              dict/list: JSON response