Number of the card (PAN)
Must respect the Luhn check

Expiration year of the card

Expiration month of the card

CVC of the card

Cardholder’s name.
Maximum 255 characters long

You can offer the customer a preferred scheme to pay on, say, if the customer's card supports co-schemes such as carte bancaire. This will be used as default for future transactions for this card.

Unique key to your request that will be used for idempotency