I have a new credit card. Where can I update my payment details? In your swype account, you can change your credit card details at any time. Related articles I am asked to update my credit card details, why? Can I also use swype without a credit card or Twint? Who can I contact regarding an incorrect charge? Can I use the App independently of the SIM card (SIM in device 1, app on device 2)? What network does swype use?