public function request($url, array $params = [])
    {
        $curl = new Curl();
        $query = $this->buildQuery($params);
        $curl->setOptions($this->url . $url, $query, $this->port);
        $response = $curl->exec();
        $this->setResponse($response);
        $this->setErrors($response);
        return $this;
    }