{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/api-evangelist/adyen/refs/heads/main/json-schema/checkout-details-request-authentication-data-schema.json", "title": "DetailsRequestAuthenticationData", "description": "DetailsRequestAuthenticationData schema from Adyen API", "type": "object", "properties": { "authenticationOnly": { "x-addedInVersion": "69", "default": false, "description": "If set to true, you will only perform the [3D Secure 2 authentication](https://docs.adyen.com/online-payments/3d-secure/other-3ds-flows/authentication-only), and not the payment authorisation.\nDefault: *false**.", "type": "boolean" } } }