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The payment_method argument

This guide informs you how our payment_method parameter is working

You can use the parameter payment_methods (part of the Checkout Payment Methods) to set by default a payment method that will be shown to your customer in the checkout window.


If you do not include this parameter in your call to Billwerk+, all available payment methods, the merchant activated on the account will be shown.


  • You configured a Pay with Mobilepay Online button on your own site. 

  • Then you create the session with payment_methods: mobilepay.

  • Billwerk+ will then direct the customer directly to Mobilepay Online.

You can see this as a live example on our customer