Please make sure that you use a correct card type and check these usual decline reasons:
You've possibly made a mistake while entering the data
Your card has expired
Some banks have limitations pertaining to geographical location of the card's use
Some banks prohibit use of credit cards for internet shopping.
Check to make sure you are not over your credit limit or check to see if there is enough money on your debit card.
If you are sure that your card is valid and there is no geographical limitation then just try again. Back to Refill Balance page.