---
title: "Stop a run"
method: POST
path: "/v1/runs/{runId}/stop"
tags: ["Runs"]
---

# Stop a run

`POST /v1/runs/{runId}/stop`

Request the platform stop a non-terminal, stoppable run. The stop is asynchronous — poll GET /v1/runs/{runId} to observe the terminal STOPPED status.

## Path parameters

- `runId` string, required — Run identifier (ULID).

## Response `202`

Stop requested (asynchronous)

- RunStopAccepted
  - `runId` string, required
  - `status` 'STOPPING', required — Always the literal STOPPING (UPPERCASE, case-sensitive) — the stop is accepted; poll GET /v1/runs/{runId} until STOPPED.
  - `message` string, required

## Other responses

- `401` — Unauthorized — missing or invalid credentials
- `403` — Forbidden — caller has no workspace or no access
- `404` — Run not found
- `409` — Run is terminal, not stoppable, or no longer running
- `500` — Internal server error

## Changes

- **2026-09-25** `5abada71ceae` — 65 warning
  - added the new `IDENTITY_ALREADY_LINKED` enum value to the `errorCode` response property for the response status `401`
  - added the new `IDENTITY_ALREADY_LINKED` enum value to the `errorCode` response property for the response status `403`
  - added the new `IDENTITY_ALREADY_LINKED` enum value to the `errorCode` response property for the response status `404`
  - added the new `IDENTITY_ALREADY_LINKED` enum value to the `errorCode` response property for the response status `409`
  - …61 more
- **2026-09-23** `fadab791136c` — 5 warning
  - added the new `X402_UNBOUNDED_PRICE` enum value to the `errorCode` response property for the response status `401`
  - added the new `X402_UNBOUNDED_PRICE` enum value to the `errorCode` response property for the response status `403`
  - added the new `X402_UNBOUNDED_PRICE` enum value to the `errorCode` response property for the response status `404`
  - added the new `X402_UNBOUNDED_PRICE` enum value to the `errorCode` response property for the response status `409`
  - …1 more
- **2026-09-11** `9874d9e34fcf` — 5 info
  - added the optional property `errorCode` to the response with the `401` status
  - added the optional property `errorCode` to the response with the `403` status
  - added the optional property `errorCode` to the response with the `404` status
  - added the optional property `errorCode` to the response with the `409` status
  - …1 more

[Change history](https://skmtc.dev/monid/apis/monid-api/changes/v1/runs/:runId/stop/post.md)

---

[API](https://skmtc.dev/monid/apis/monid-api.md) · [All operations](https://skmtc.dev/monid/apis/monid-api/llms.txt) · [OpenAPI document](https://skmtc.dev/monid/apis/monid-api/revisions/5abada71ceae?raw)