---
title: "Deletes a thread."
method: DELETE
path: "/chat/threads/{chatThreadId}"
tags: ["Threads"]
---

# Deletes a thread.

`DELETE /chat/threads/{chatThreadId}`

## Path parameters

- `chatThreadId` string, required

## Query parameters

- `api-version` string, required

## Response `204`

Request successful.

## Other responses

- `401` — Unauthorized.
- `403` — Forbidden.
- `429` — Too many requests.
- `503` — Service unavailable.

## Changes

- **2026-07-13** `e3e45a46545e` — 1 info
  - api operation id `DeleteChatThread` removed and replaced with `Chat_DeleteChatThread`
- **2021-05-19** `4c5323153682` — 1 info
  - api operation id `Chat_DeleteChatThread` removed and replaced with `DeleteChatThread`

[Change history](https://skmtc.dev/azure/apis/communication-chat/changes/chat/threads/:chatThreadId/delete.md)

---

[API](https://skmtc.dev/azure/apis/communication-chat.md) · [All operations](https://skmtc.dev/azure/apis/communication-chat/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/azure/communication-chat/revisions/57a59d1b8530/schema)