The Instant Payment Notification URL is the only way the PayZen 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.