Retrieve the full card number, PIN, and barcode
| Parameter | Type | Required | Description |
|---|---|---|---|
cardId | integer | Yes | Wallet card ID |
| Field | Type | Description |
|---|---|---|
number | string | Full gift card number |
pin | string | Card PIN (may be empty if card type has no PIN) |
barcode | string | Full barcode string (prefix + card number) |