In order to process payments with VISA and MasterCard credit cards, some merchants need an additional item: the CVV2 or CVC2 security code. This code is found on the back of the card.

What is CVV2 or CVC2 and why is it needed? The CVV2/CVC2 is a 3 digit security code that is printed on the back of the card. This code helps validating that a genuine card is being used during a transaction.

Where is CVV2 or CVC2 located? The CVV2/CVC2 is a three-digit security code that is printed on the back of the card that appears in reverse italic and it is located at the top of the signature panel.

I found a number on the back of my card, but it has more than 3 digits We only need the last 3 digits of this number (the other are just a repetition of your credit card number).

Mi card is an American Express. Where is the security code located? American Express credit or debit cards have a 4 digit numeric code printed in front and located at the top of the card number.