Payment page bypass is a premium feature that enables the selection of the payment method already in the webshop. When using bypass, the customer is directed to the selected payment service without visibly passing through Paytrail's service. For more information, see Paytrail support page
PRESELECTED_METHOD defines the selected payment method, below are listed all the possible values for it. You only need to consider the payment methods that are active for your merchant ID. Active payment methods can be seen in the payment methods section in Merchant's Panel settings tab.
MODE field is used to tell Paytrail if bypass is used. Use value 2 for bypass.
Table 5.16. Possible values for payment method
|55||Diners Club (Nets)|
|56||American Express (Nets)|