Payment

• 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.
• Why was the full amount charged despite the voucher?
• 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?