If it said that the transaction was not completed, the money should be automatically returned to you in a few days.
If you still want to donate, you have 2 options:
1. Contact Paymentwall support (they will most likely ask you for pictures of your card and some documents).
2. Use prepaid cards (like Paysafecard or Mint) or gift cards to donate if you have those payment methods available on donation window.
If it said that the transaction was not completed, the money should be automatically returned to you in a few days.
If you still want to donate, you have 2 options:
1. Contact Paymentwall support (they will most likely ask you for pictures of your card and some documents).
2. Use prepaid cards (like Paysafecard or Mint) or gift cards to donate if you have those payment methods available on donation window.