---
title: "Stop Chat Session"
method: POST
path: "/chat/stop-chat-session/{chat_session_id}"
tags: ["public"]
---

# Stop Chat Session

`POST /chat/stop-chat-session/{chat_session_id}`

Stop a chat session by setting a stop signal in Redis.
This endpoint is called by the frontend when the user clicks the stop button.

## Path parameters

- `chat_session_id` string, uuid, required

## Response `200`

Successful Response

- object

## Other responses

- `422` — Validation Error

## Changes

- **2026-01-06** `2d941ea53eb3` — 1 info
  - endpoint added
- **2025-08-21** `9321c45d93b5` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/onyx-dot-app/apis/onyx-api/changes/chat/stop-chat-session/:chat_session_id/post.md)

---

[API](https://skmtc.dev/onyx-dot-app/apis/onyx-api.md) · [All operations](https://skmtc.dev/onyx-dot-app/apis/onyx-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/onyx-dot-app/onyx-api/revisions/2980a9073ffe/schema)