---
title: "Register App Store Transaction"
method: POST
path: "/users/{app_user_id}/transactions/app-store"
tags: ["Users"]
---

# Register App Store Transaction

`POST /users/{app_user_id}/transactions/app-store`

Registers the mapping between a user and their Apple originalTransactionId.

## Path parameters

- `app_user_id` string, required

## Headers

- `x-api-key` string, required

## Request body

- UserRegisterAppStoreTransactionRequest
  - `original_transaction_id` string, required — Apple's originalTransactionId from StoreKit.
  - `app_account_token` string, nullable — StoreKit 2 appAccountToken UUID.

## Response `204`

The transaction mapping has been registered.

## Other responses

- `401` — Unauthorized
- `404` — The user has not been found.

---

[API](https://skmtc.dev/winwinkit/apis/winwinkit-api.md) · [All operations](https://skmtc.dev/winwinkit/apis/winwinkit-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/winwinkit/winwinkit-api/revisions/5b921a291cf8/schema)