Important information


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:,