---
title: "Delete a ChatKit thread"
method: DELETE
path: "/chatkit/threads/{thread_id}"
---

# Delete a ChatKit thread

`DELETE /chatkit/threads/{thread_id}`

Delete a ChatKit thread along with its items and stored attachments.

## Path parameters

- `thread_id` string, required

## Response `200`

Success

- DeletedThreadResource — Confirmation payload returned after deleting a thread.
  - `id` string, required — Identifier of the deleted thread.
  - `object` 'chatkit.thread.deleted', required — Type discriminator that is always `chatkit.thread.deleted`.
  - `deleted` boolean, required — Indicates that the thread has been deleted.

## Other responses

- `400` — The request is invalid or the required ChatKit beta header is missing or invalid.
- `404` — The thread was not found or is not accessible.
- `429` — The request rate limit has been exceeded.

## Changes

- **2026-09-25** `d86203de41ae` — 3 info
  - added the non-success response with the status `400`
  - added the non-success response with the status `404`
  - added the non-success response with the status `429`
- **2026-05-13** `74cbcf73838f` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/openai/apis/openapi/changes/chatkit/threads/:thread_id/delete.md)

---

[API](https://skmtc.dev/openai/apis/openapi.md) · [All operations](https://skmtc.dev/openai/apis/openapi/llms.txt) · [OpenAPI document](https://skmtc.dev/openai/apis/openapi/revisions/222f167a2327?raw)