The Instant Payment Notification URL is the only way the Scellius gateway can notify your website at the end of a payment. Therefore, read the Setting up the Instant Payment Notification URL chapter carefully.

Frequent errors:

• Your shop is in maintenance mode
• Your Instant Payment Notification URL is protected by an .htaccess file
• You have blocked the IP addresses of the payment gateway
• You have not specified the Instant Payment Notification URL in the Merchant Back Office

How to check that the Instant Payment Notification URL has been called:

Via the Merchant Back Office, display the payment details (double click), then go to the “Event log” tab.