Postfinance is integrated into the WBS. You only need to create an account at PostFinance to use this payment system.
The payment PostFinance is for our Swiss customers. In the PostFinance Basic-Package is the Postfinance Card and the E-Finance included. Twint (Mobile) is available from the Start-Up-Package. All major credit cards are also included (Visa, MasterCard, and American Express...) Package Overview