The card holder name is the name printed onto the card. It identifies the person who owns the card.

The card verification code (CVC) is a 3 to 4 digit code typically printed on the back of the card. It helps to ensure that the card holder is authorizing the transaction. For card not-present transactions this field is optional.

The card expiry date indicates when the card expires. The format is the format yyyy-mm where yyyy is the year (e.g. 2019) and the mm is the month (e.g. 09).

The primary account number (PAN) identifies the card. The number is numeric and typically printed on the front of the card.