PHP >= 7.4

WHMCS >= 8 (Tested on WHMCS 8 only)

Copy all files to the modules/gateways directory.

Client ID: Airwallex Unique Client ID

API Key: Airwallex Client API Key

Webhook Secret Key: Airwallex Webhook Secret Key

Webhook: https://yoursystem.com/modules/gateways/airwallex/callback.php

Subscribe Events: Payment Intent: Succeeded