The CashU payment gateway module is available in WHMCS.

Supported Features #

Type: Third-Party

Adding the CashU Payment Gateway #

To set up the CashU payment gateway in WHMCS:

1. Go to Configuration () > Apps & Integrations or Addons > Apps & Integrations.
2. Click CashU.
3. Check Show on Order Form to display this payment method in the Client Area during checkout.
4. Enter your merchant ID.
5. Enter your encryption keyword. You can find the encryption keyword in your CashU account at Merchant Services > Service Setup.
6. Set your Return URL and Sorry URL using the following format:
   • Return URL: https://www.example.com/modules/gateways/callback/cashu.php
   • Sorry URL: https://www.example.com/clientarea.php
7. Ensure that all other items are blank.
8. Click Save Changes.

Test Mode #

You can use test mode to simulate payment processing without actually causing a transaction to occur. This can be useful for testing your configuration.

Troubleshooting #

You can find information about most payment gateway-related errors in the logs at Billing > Gateway Log and in the Module Log.

Last modified: 2025 March 19