• France
status page
Merchant Back Office
assistance
FAQContact support
Search
Categories
Tags
English
French
English
Homepage
Use cases
Create a payment
Create an installment payment
Create a multi-card (split) payment
Create a payment by Alias (Token)
Create a payment link
Create a recurring payment
Manage subscriptions
Manage your transactions (refund, cancel...)
Analyze your reports
API docs
Embedded Form
REST API
Hosted payment
Mobile payment
File exchange
Logos
Push mail
Snippets
Payment methods
Plugins
Guides
Merchant Back Office
Functional guides

Update

  1. Go to Extensions > Payments in the OpenCart Back Office.
  2. Search for the old version of the installed module and click Uninstall (-).
  3. Delete manually the systempay.php and systempay_multi.php files located in the following directory: /admin/controller/payment/
  4. See next chapter to install the module.
© 2025 {'|'} All rights reserved to Systempaylegal
25.18-1.11