You can enter your fromAtoB coupon code in the last section of our booking process right before payment.
In our "passenger"-section directly below our search mask, you can specify whether you are the owner of a BahnCard. We are working to integrate further discount cards in the future.
You can enter your DB BahnCard or bahn.bonus card number in our section "personal details". We are working to integrate further bonus programs in the future.