{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/PaymentMethodUpdateRequest",
  "title": "PaymentMethodUpdateRequest",
  "type": "object",
  "description": "Request body for updating an existing vaulted payment method.",
  "properties": {
    "payment_method_nonce": {
      "type": "string",
      "description": "A new one-time nonce to replace the underlying payment details while preserving the existing token."
    },
    "billing_address": {
      "$ref": "#/components/schemas/Address"
    },
    "options": {
      "type": "object",
      "description": "Options for the payment method update.",
      "properties": {
        "make_default": {
          "type": "boolean",
          "description": "If true, this payment method becomes the customer's default."
        },
        "update_existing_token": {
          "type": "string",
          "description": "Token of an existing payment method to update rather than creating a new one."
        }
      }
    }
  }
}