# Card

> A schema in the One API reference. Source: https://hub.ozow.com/api-reference/one-api/schemas/card/

## Fields

- `cardNumber` (string, required, max length 16) - The card number.
- `fullName` (string, required, max length 50) - The name of the payer on the card.
- `expiryMonth` (string, required, min length 2, max length 2) - The expiry month of the card.
- `expiryYear` (string, required, min length 2, max length 2) - The expiry year of the card.
- `cvv` (string, required, min length 3, max length 3) - The cvv number of the card.
- `userAgent` (string, required) - The user agent of the payer.
- `callbackUrl` (string, required) - The URI to callback once the step has been completed. The callback URI will receive a `POST` request with a `InputResponse` model indicating what step is required next.