Please do not use AMEX cards for your payments. If you prefer not to proceed with 3D Secure, do not use a saved credit card—enter your card details manually instead. For transactions under 500 USD, 3D Secure is mandatory, so please make sure to enter the correct verification code sent to your phone.:
If you used an AMEX card, please try a Visa or Mastercard instead. If you encounter a 3D Secure issue, enter your card details manually, do not select “save my card”, and do not use a saved card. This will bypass 3D Secure for payments under 500 USD. For payments over 500 USD, 3D Secure is required—please enter the verification code sent to your phone.: