---
title: "Changes to getTransactionByIdempotencyKey"
method: GET
path: "/v2/transaction/idempotency/{idempotencyKey}"
---

# Changes to getTransactionByIdempotencyKey

`GET /v2/transaction/idempotency/{idempotencyKey}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `e7a372a209e8`: 1 info

## Changes

- **2026-11-03** `e7a372a209e8`: 1 info
  - added the optional property `reasonCodes` to the response with the `400` status

---

[Operation](https://skmtc.dev/aero/apis/aeropay-v2-api/docs/v2/transaction/idempotency/:idempotencyKey/get.md) - [API](https://skmtc.dev/aero/apis/aeropay-v2-api.md) - [Page](https://skmtc.dev/aero/apis/aeropay-v2-api/changes/v2/transaction/idempotency/:idempotencyKey/get)
