I swear to god, Gaijin is HELLA annoying
So pretty much, gaijin made it so anyone using a MasterCard or Visa gift card within the US unable to purchase anything
Every gift card of MasterCard/Visa’s is completely unable to make purchases based outside of the US, which includes the payment merchant that gaijin decided to swap to after ditching Xsolla
So basically, I have no way of spending a gift card here
Try using the Amazon Pay method. I had the same issue as you and just messing around with different payment methods, Amazon pay still uses Xsolla for the transaction.
So when you go to pay and the payment method pops up. Press more methods, and press the last option which says “More Options”, then look for “Card” and just do your thing and it should work. Worked for me.