public function getCardProvider($param)
    {
        $this->flushState();
        $isValidProvider = CheckoutApi_Client_Validation_GW3::isProvider($param);
        $uri = $this->getUriProvider().'/cards';
        $hasError = false;
        if(!$isValidProvider)
        {
            $hasError = true;
            $this->throwException('Please provide a valid provider id',array('param'=>$param));
        }

        if(!$hasError){
            $uri = "{$uri}/{$param['providerId']}";
        }

        return $this->request( $uri ,$param,!$hasError);
    }