$request = Request::factory('http://money.yandex.ru/quickpay/confirm.xml')
                ->method('POST')
                ->post(array(
                            'receiver' => '41001299****',
                            'quickpay-form' => 'shop',
                            'targets' => 'Интернет-магазин *****',
                            'sum' => '990',
                            'successURL' => 'http://site.net/result'
                        ))
                ->headers('Content-Type', 'application/x-www-form-urlencoded');
$response = $request->execute();
echo $response->body();$result = Request::factory('http://money.yandex.ru/quickpay/confirm.xml')
    ->query(array(
            'receiver' => '41001299****',
            'quickpay-form' => 'shop',
            'targets' => 'Интернет-магазин *****',
            'sum' => '990',
            'sum' => '990',
            'successURL' => 'http://site.net/result',
        ))
    ->headers('Content-Type', 'application/x-www-form-urlencoded')
    ->method(HTTP_Request::POST)
    ->execute();
die($result->body());$params = array(
    'receiver' => '41001299****',
    'quickpay-form' => 'shop',
    'targets' => 'Интернет-магазин *****',
    'sum' => '990',
    'sum' => '990',
    'successURL' => 'http://site.net/result',
    );
$uri = 'http://money.yandex.ru/quickpay/confirm.xml' . '?' . http_build_query($params);
$result = Request::factory($uri)
    ->method(HTTP_Request::POST)
    ->execute()
    ->headers('Content-Type', 'application/x-www-form-urlencoded');
die($result->body());