- ★ Why was the full amount charged despite the voucher?
- Why do I have an open invoice even though I have saved a payment method?
- What is an authorisation?
- When is an authentication (SCA) necessary?
- What is an authentication?
- I have not received the invoice.
- What do I have to pay attention to when setting up Apple Pay?
- PayPal - Why do I have to enter the payment data again after every logout?
- Which payment methods are available when using ryd pay?