Payment Module for CS-Cart

CS-Cart is a professional CMS system for creating and managing an online shop. The platform allows you to load and to edit thousands of goods easily, to change page structure without help of developers and to set up cross-selling.

Interkassa payment module for CS-Cart is a ready-made solution to quickly start accepting online payments on your website.

Module options

By connecting the plugin for CMS CS-Cart, you get all the advantages of the Interkassa payment method aggregator in one integration.

Popular payment methods. Using the payment module, you can connect bank card payments, Apple Pay, Google Pay, e-wallets and mobile payments. We work with both international payment systems Visa, Mastercard and local ones like India’s RuPay.

Wide choice of currencies. With Interkassa, you can accept payments from all over the world – Europe, the CIS (except Russia), Asia, Africa, Latin America and Canada. The multicurrency setting allows you to accept payments in dollars, euros, Polish zlotys and about 100 other fiat currencies. If you do not want to be tied to the region, add the ability to pay on the site in cryptocurrency. Interkassa supports more than 10 types of cryptocurrencies.

Payment security. Interkassa uses in-house antifraud system with flexible settings to protect online business from fraudsters. We constantly update the database of fraud scenarios and monitor the activity of fraudsters in real time.

How to install and configure

1) Copy the URL

2) Go to the admin panel of your website and go to the module installation section: “Modules -> Module Management -> Load and Install Module”.

3) Select “upload via URL” and paste the URL you copied in step 1.

4) Once the module has been successfully downloaded, open the payment method settings section: “Administration -> Payment methods -> Add payment method”.

5) In the new module configuration, specify:

  • Name – Interkassa;
  • Processor – Interkassa;
  • Payment category – Internet Payments.

After selecting the category, the “Configure” section is available. Specify the following data:

  • Checkout ID;
  • Secret key;
  • Test key.

This information can be found in the checkout settings in your Interkassa account.

6) In your Interkassa account, go to the checkout settings, section “Interface”. Specify the following interaction URLs:

  • successful payment URL


  • failed payment URL


  • payment waiting time URL


  • interaction URL


Specify POST method in all four steps and enable “override in request” setting.

7) Enable test payment system and make the first test payment.

If the test payment is successful, you have made the correct settings. If the payment fails, please, contact our technical support team. They will help you find and fix the problem.