---
title: "Changes to Update Segment"
method: POST
path: "/lc.preview.updatesegment"
---

# Changes to Update Segment

`POST /lc.preview.updatesegment`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 10 revisions.

- **2026-01-27** (v1) `9d9d8922a0ce`: 3 info

## Changes

- **2026-01-27** (v1) `9d9d8922a0ce`: 3 info
  - the endpoint scheme security `LanguageCloudJWSToken` was removed from the API
  - added the new optional `header` request parameter `TR_ID`
  - added the new optional `header` request parameter `x-lc-signature`

---

[Operation](https://skmtc.dev/rws/apis/app-api/docs/lc.preview.updatesegment/post.md) - [API](https://skmtc.dev/rws/apis/app-api.md) - [Page](https://skmtc.dev/rws/apis/app-api/changes/lc.preview.updatesegment/post)