Card

Description of a payment card account (i.e., credit card, debit card, charge card).

JSON representation 
{
  "accountNumber": string,
  "nameOnCard": string,
  "expiryMonth": string,
  "expiryYear": string,
  "cvn": string
}
Fields
accountNumber

string

REQUIRED: The account number itself (i.e., the FPAN).
nameOnCard

string

REQUIRED: The customer's name as it appears on the card.
expiryMonth

string

OPTIONAL: Expiration month, formatted MM.
expiryYear

string

OPTIONAL: Expiration year, formatted YY.
cvn

string

OPTIONAL: If Google collected the CVN from the user it is provided here and should be verified.