code: def send_request(self, endpoint='ticker', coin_name=None, **kwargs):
          
  
          built_url = self._make_url(endpoint, coin_name)
          payload = dict(**kwargs)
  
          self._process_request(endpoint, built_url, payload)
docs: : param string 'ticker', it's 'ticker' if we want info about coins,
              'global' for global market's info.
             : param string 'coin_name', specify the name of the coin, if None,
               we'll retrieve info about all available coins.