---
title: "Stop Response"
method: POST
path: "/assistant/conversations/{conversation_id}/messages/{message_id}/stop-response"
tags: ["assistant"]
---

# Stop Response

`POST /assistant/conversations/{conversation_id}/messages/{message_id}/stop-response`

## Request

- Base URL: `https://api.galileo.ai`
- URL: `https://api.galileo.ai/assistant/conversations/{conversation_id}/messages/{message_id}/stop-response`
- Auth: one of:
  - API key in header `Splunk-AO-API-Key`
  - API key in header `Galileo-API-Key`
  - OAuth 2
    - Password
    - Token URL: `https://api.galileo.ai/login`
  - HTTP basic

Stop the in-progress assistant response started by `message_id`.

Returns 204. The call is idempotent and is a no-op if the turn has already
finished. 404s if the conversation does not exist or is not owned by the caller.

## Path parameters

- `conversation_id` string, uuid4, required
- `message_id` string, uuid4, required

## Response `204`

Successful Response

## Other responses

- `422`: Validation Error

## Changes

> 34 revisions in range; 2 not diffed.

- **2026-07-26** `05003e7835a2`: 1 info
  - the endpoint scheme security `ClassicAPIKeyHeader` was added to the API

[Operation history](https://skmtc.dev/galileo/apis/galileo-api-server/changes/assistant/conversations/:conversation_id/messages/:message_id/stop-response/post.md)

---

[API](https://skmtc.dev/galileo/apis/galileo-api-server.md) - [All operations](https://skmtc.dev/galileo/apis/galileo-api-server/llms.txt) - [OpenAPI document](https://skmtc.dev/galileo/apis/galileo-api-server/revisions/a289cea1b504?raw)