Server to server
If you want the cardholder to select the payment method in your webshop instead of on the EMS Online hosted payment page to provide a better user experience, server to server is a good solution. In the menu to the left you can find an overview with examples for all the different payment methods that support server to server.
Payment methods
The following fields are mandatory when creating a new order:
currencyamountpayment_method
When specifying the payment method in the request, payment_url will be returned to which customer needs to be redirected to.