---
title: "Cancel a running or waiting workflow run"
method: POST
path: "/api/workflow-runs/{id}/cancel"
tags: ["Workflows"]
---

# Cancel a running or waiting workflow run

`POST /api/workflow-runs/{id}/cancel`

## Path parameters

- `id` string, required

## Request body

- object
  - `reason` string

## Response `200`

Run cancelled

- object
  - `success` true, required

## Other responses

- `400` — Cannot cancel

---

[API](https://skmtc.net/desplega-ai/apis/agent-swarm-api.md) · [All operations](https://skmtc.net/desplega-ai/apis/agent-swarm-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/desplega-ai/agent-swarm-api/versions/ef761849166b/schema)