MultiSafepay plugin for OsCommerce

This technical manual is for installing and configuring our free plugin for integrating MultiSafepay payment solutions into your OsCommerce webshop.


For support, contact OsCommerce.

Contact MultiSafepay:

  • Telephone: +31 (0)20 8500 500
  • Email: [email protected]
  • GitHub: Create a technical issue


  • MultiSafepay account – See Getting started.
  • OsCommerce 2.3
  • Tested on PHP 7.0

Installation and configuration

We recommend first installing the plugin in a test environment following, the recommended OsCommerce installation procedure. Make sure you have made a backup.

Plugin version 3.0.0 is tested on PHP 5.6. Previous versions are no longer tested for compatibility. For more information, email [email protected]

  1. Unpack the content of the .ZIP file in the root of your webshop.
  2. Sign in to your OsCommerce backend.
  3. Go to Modules > Payment.
  4. Click Install modules in the top-right corner.
  5. Enter your API key.

    Information on where to find your account ID, Site ID, Site code or API key can be found on our API key page.

  6. Complete the other fields as required.

User guide

Processing refunds

Refund rules

  • From your MultiSafepay dashboard: Full refunds
  • From your OsCommerce backend:
    • Full refunds
    • Refunding more than the original transaction is not supported
Updating the plugin

There are 3 ways to update the plugin:

  • In your backend
  • In the CMS marketplace
  • Using SFTP

To update the plugin via SFTP, follow these steps:

  1. Make sure you have a backup of your production environment, and that you test the plugin in a staging environment.
  2. From the OsCommerce manual, download the plugin again.
  3. Follow the Installation and configuration instructions from step 2.


Propose a change on GitHubexternal-link-icon or
send an email to [email protected]

Other languages

For an explanation in another language, contact your account manager.