Set up the free test environment and the plug-in
- Register on The link will open in a new window PostFinance Checkout for the test version
- Set up the test version in the back office tool in just a few steps, select the desired payment methods and the corresponding acceptance partners.
- Connect your shop with a suitable plug-in according to the supplied instructions or connect it to Checkout Flex with our REST Web Services or SDK (software development kit).
- Test all payment methods in simulation mode for 30 days