Why am I experiencing payment failures on the Thai eVisa site with my debit card?

The user encountered issues while trying to process a payment on the Thai e-visa site with a debit card, leading to a logout and payment failure. Commenters suggest that using a traditional credit card (Visa or Mastercard) may be necessary, as debit cards sometimes face issues concerning international transactions. Other users share their experiences, including the possibility that the user's financial institution may block transactions or that different cards may perform better. Some also recommend adjusting phone settings to view all payment options.