public function call($resource, $method, $data = array())
    {
        $resource = $this->api_url.'/'.$resource;
        $response = $this->getRequest(array(
            'url' => $resource,
            'method' => $method,
            'data' => $data, 
        ))->send();
        
        $result = null;
        if (strlen($response)) {
            $result = $response->{'parse'.$this->_response_format}();
            return $result;
        }

        return false;
    }