Having your credit card declined is always a possibility. When you attempt to place your payment details are verified by your credit card issuer who either approve or disapprove the provided information. If your credit card is declined, the easiest thing to do is complete your transaction with another credit or debit card. The most common reason for a declined payment are: a typo in your card number, 3-4 digit card security code, or a typo or outdated billing address postal code What to do when your credit card is declined: Stay Calm. Most commonly it's a trivial typo that lead to a card decline. Please carefully review or retype your credit card details and billing zip code and try again. If your payment details are still disapproved, it is most likely to protect you from frivolous charges. At this point we must recommend to call the support phone number shown on the back of your credit card.