public function get($url, $data) {
        curl_setopt($this->_ch, CURLOPT_CUSTOMREQUEST, 'GET');
        curl_setopt($this->_ch, CURLOPT_URL, sprintf( "%s?%s", $url, http_build_query($data, '', '&', PHP_QUERY_RFC3986)));
        curl_setopt($this->_ch, CURLOPT_HTTPHEADER, array("Accept:application/json", "Content-Type: application/json"));

        return $this->_exec();
    }