A simple, go ahead module for PayEx. It's based upon a the PayEx PHP Class. The triggers are the same, it's only difference is that you can install it just like any other Laravel bundles. Easy.
Copy the configuration file from config/payex.php to application/config/payex.php, and set your details.
Do you need more information? Go the the PayEx PHP Class GitHub page.
Install using Artisan CLI:
php artisan bundle:install laravel-payexAdd the following line to application/bundles.php
'laravel-payex' => array('auto' => true),