Important information

The API reference is now available here.
The deprecated API reference is available here.


Basic integration requirements

Learn about the common basic requirements for your integration

To integrate online payments with Unzer, you should:

  • Get a test account. With a test account you can perform test transactions.
  • Make sure your shop URL is TLS protected and reachable from WWW.
  • Check if you have an HTTP basic auth protection for your shop.
  • Have UTF-8 encoding for the integration.

Allowlist of IP addresses

All Unzer API webhook events come from one of the following IP addresses:

  • Production environment:,
  • Sandbox environment:,