Prerequisites
Before integrating the payment module, please make sure that you are in possession of the following elements:
- Payment module file: Systempay_CS-Cart_4.x_v2.2.x.zip
- Your shop ID
- Test or production key
The Shop ID and the keys are available in the Merchant Back Office (menu: Settings > Shop > Keys)

Reminder, your Merchant Back Office is available at this address:
https://paiement.systempay.fr/vads-merchant/
WARNING: All our payment modules are tested from a minimal PHP version, this version is visible from our documentary site:
If you have an older version, we invite you to contact the technical manager in charge of your site so that he updates the PHP version of the server. Thus, our support service will be able to assist you if you encounter a problem with our module.
Please note that the 7.0 version is no longer supported by PHP: http://php.net/supported-versions.php