---
title: "Delete a chat completion and its conversation"
method: DELETE
path: "/v1/chat/completions/{completion_id}"
tags: ["chat"]
---

# Delete a chat completion and its conversation

`DELETE /v1/chat/completions/{completion_id}`

Delete a stored chat completion together with its entire conversation.

Every completion connected through previous_completion_id (earlier and
later turns, including branches) is deleted; a conversation is removed as
a unit.

## Path parameters

- `completion_id` string, required — ID of the chat completion

## Response `200`

Deletion confirmation

- ChatCompletionDeleted
  - `id` string, required
  - `object` 'chat.completion.deleted'
  - `deleted` boolean

## Other responses

- `422` — Validation Error

## Changes

- **2026-08-13** `d47e1d852549` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/mixedbread/apis/mxbai-omni/changes/v1/chat/completions/:completion_id/delete.md)

---

[API](https://skmtc.dev/mixedbread/apis/mxbai-omni.md) · [All operations](https://skmtc.dev/mixedbread/apis/mxbai-omni/llms.txt) · [OpenAPI document](https://skmtc.dev/mixedbread/apis/mxbai-omni/revisions/bc159968f211?raw)