---
title: "Changes to List a cycler's service history"
method: GET
path: "/cyclers/{cycler_id}/service_events"
---

# Changes to List a cycler's service history

`GET /cyclers/{cycler_id}/service_events`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 25 revisions.

- **2026-09-30** `ea3d377fec1a`: 1 breaking

## Changes

- **2026-09-30** `ea3d377fec1a`: 1 breaking
  - for the `path` request parameter `cycler_id`, the format changed from no format to `uuid`

---

[Operation](https://skmtc.dev/ionworks/apis/ionworks-api/docs/cyclers/:cycler_id/service_events/get.md) - [API](https://skmtc.dev/ionworks/apis/ionworks-api.md) - [Page](https://skmtc.dev/ionworks/apis/ionworks-api/changes/cyclers/:cycler_id/service_events/get)