Payment Notification

After the payment, a request containing payment information will be sent to the URL specified in your store settings.

Key Description
shop_id Public project key
amount Payment amount
order_id Order identifier
payment_system Payment system
currency Payment currency (RUB, USD, EUR)
test If specified during payment
sign Request signature

The signature is formed in the same way as when creating the form, but all fields are included in the hash formation, for example:

      $secret = 'GB%^&*YJni677';
      $data = $_POST;
      $str = http_build_query($data);
      $sign = md5($str . $secret);