| Name | Type | Description | Notes |
|---|---|---|---|
| last_four_digits | string | The last four digits of the card number. | [optional] |
| expiration_month | float | One to two digits representing the expiration month. | [optional] |
| expiration_year | float | Four digits representing the expiration year. | [optional] |
| brand | string | The card brand. | [optional] |