---
title: "Device Data Initialization"
method: POST
path: "/deviceData/{key}/initialization"
tags: ["internal"]
---

# Device Data Initialization

`POST /deviceData/{key}/initialization`

## Request

- Base URL: `https://try.access.worldpay.com/3ds`
- URL: `https://try.access.worldpay.com/3ds/deviceData/{key}/initialization`
- Auth: HTTP basic
- TypeScript: <https://skmtc.dev/worldpay/apis/3ds/docs/deviceData/:key/initialization/post.ts> (a function with typed inputs; its response is checked against the schema)

Details required for device data collection

## Path parameters

- `key` string, required

## Headers

- `WP-Api-Version` '2026-10-01', required

## Response `200`

The challenge was successful - obtain the authentication data for onward use.

- 3DSDdi200Response
  - `outcome` string

## Other responses

- `400`: The request has encountered validation errors.
- `502`: Invalid response received from upstream.
- `503`: The requested service is unavailable.

---

[API](https://skmtc.dev/worldpay/apis/3ds.md) - [All operations](https://skmtc.dev/worldpay/apis/3ds/llms.txt) - [OpenAPI document](https://skmtc.dev/worldpay/apis/3ds/revisions/0233a51762d3?raw)