function imageStatus($key, $url) {
        $request = curl_init();
        curl_setopt_array($request, $this->options);
        //$this->prepareJSONRequest(self::API_STATUS_ENDPOINT(), $request, array('key' => $key), 'post', array());
        curl_setopt($request, CURLOPT_URL, self::IMAGE_STATUS_ENDPOINT());
        curl_setopt($request, CURLOPT_CUSTOMREQUEST, 'POST');
        curl_setopt($request, CURLOPT_HTTPHEADER, array());
        $params = array('key' => $key, 'url' => $url);
        curl_setopt($request, CURLOPT_POSTFIELDS, json_encode($params));
        return $this->sendRequest($request, 1);
    }