docs: def post(self, url, body=None, **kwargs):
          """
          Send a POST request.
  
          :param str url: Sub URL for the request. You MUST not specify neither base url nor api version prefix.
          :param dict body: (optional) Dictionary of body attributes that will be wrapped with envelope and json encoded.
          :param dict **kwargs: (optional) Other parameters which are directly passed to :func:`requests.request`.
          :return: Tuple of three elements: (http status code, headers, response - either parsed json or plain text)
          :rtype: tuple
          """
  
          return self.request('post', url, body=body, **kwargs)