{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/card_options",
  "title": "card_options",
  "properties": {
    "billing_address": {
      "$ref": "#/components/schemas/billing_address"
    },
    "card_present": {
      "default": false,
      "type": "boolean"
    },
    "cvv": {
      "maxLength": 3,
      "minLength": 0,
      "type": "string"
    },
    "expiration": {
      "maxLength": 4,
      "minLength": 4,
      "type": "string"
    }
  },
  "type": "object"
}