public function send($url, $method = 'GET', $data = [])
    {
        $method = strtolower($method);

        $settings = [
            'headers'  => array_merge([
                'Authorization' => 'Bearer ' . $this->getToken(),
                'Content-Type' => 'application/x-www-form-urlencoded',
            ], $this->getHeaders()),
        ];

        if ($method == 'post') {
            $settings['form_params'] = $data;
        }

        return $this->client
            ->$method($url, $settings);
    }