> For the complete documentation index, see [llms.txt](https://l-shop-en.gitbook.io/documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://l-shop-en.gitbook.io/documentation/configuration/payment-systems.md).

# Payment systems

You will need to specify in the settings of payment aggregators information for interaction with the L-Shop.

Of course, you need to replace example.com with the domain of your application.

## Robokassa

Result URL: \_<http://example.com/payment/result/robokassa_\\>
Success URL: \_<http://example.com/payment/success_\\>
Fail URL: *<http://example.com/payment/fail>*

Method of query execution: *any*.​

## Interkassa

Interaction URL: \_<http://example.com/payment/result/interkassa_\\>
Success URL: \_<http://example.com/payment/success_\\>
Fail URL: \_<http://example.com/payment/fail_\\>
Wait URL: *<http://example.com/payment/wait>*

\
Method of query execution: *any*.​

{% hint style="warning" %}
Do not forget to activate the "*Check signature in the payment request form*" check box in the "*Checkout settings -> Security*" menu. Otherwise, the attacker can forge a request for interaction with the service.
{% endhint %}