Response of Card from Request

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/card_from_request",
  "title": "Response of Card from Request",
  "type": "object",
  "description": "Representation of card details as received in the request.",
  "properties": {
    "expiry": {
      "description": "The card expiration year and month, in [Internet date format](https://tools.ietf.org/html/rfc3339#section-5.6).",
      "$ref": "#/components/schemas/date_year_month"
    },
    "last_digits": {
      "type": "string",
      "description": "The last digits of the payment card.",
      "pattern": "[0-9]{2,}",
      "minLength": 2,
      "maxLength": 4,
      "readOnly": true
    }
  }
}