code: def client_validate_pin(self, client, pin):
          
  
          client = self._client_id(client)
          body = {
              "action": "validate_pin",
              "current_pin": pin
          }
  
          response = self._put(url.clients_id.format(id=client), body=body)
          self._check_response(response, 200)
docs: Validate client's PIN.  Uses PUT to /clients/<client> interface.
  
          :Args:
              * *client*: (str) Client's ID
              * *pin*: (str) Client's PIN