---
title: "Cancel multiple pipelines"
method: POST
path: "/pipelines/cancel"
tags: ["Pipeline"]
---

# Cancel multiple pipelines

`POST /pipelines/cancel`

Cancel several pipelines in one request.

Marks every selected pipeline (and its non-terminal elements) canceled and
offloads all running-job terminations to a single background task, avoiding
the per-pipeline request loop the frontend used to run.

## Request body

- BulkCancelPipelinesRequest
  - `pipeline_ids` string[], required

## Response `200`

Successful Response

- BulkCancelPipelinesResponse
  - `canceled_pipeline_ids` string[], required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/ionworks/apis/fastapi.md) · [All operations](https://skmtc.dev/ionworks/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/ionworks/fastapi/revisions/7337a3cbdaf2/schema)