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Domains and IP Addresses

Your integration must be able to reach any of’s fully qualified domain names for it to function properly. Depending on how your integration operates, you may need to whitelist them.

To help your integration operate securely, it must also verify that it’s communicating with through SSL certificate on it and DNS IP address.

For correct communication between PayС and Payment Providers or third-party services what PayС have access to, use PayС white-list IP addresses.


PayС uses the following fully qualified domain names to interact with your integration:

White-list IP addresses

The full list of IP addresses that PayС use to interact with Payment Providers & third-party services:

Downloading IP address lists

As a convenience, both lists are available in other formats for easy import into iptables or similar tools: