---
title: "Changes to Cancel a pipeline"
method: POST
path: "/pipelines/{pipeline_id}/cancel"
---

# Changes to Cancel a pipeline

`POST /pipelines/{pipeline_id}/cancel`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 25 revisions.

- **2026-09-30** `ea3d377fec1a`: 1 breaking, 1 warning
- **2026-09-14** `7baccf056192`: 2 info

## Changes

- **2026-09-30** `ea3d377fec1a`: 1 breaking, 1 warning
  - for the `path` request parameter `pipeline_id`, the format changed from no format to `uuid`
  - added the new `MAX_BACKWARD_JUMPS_EXCEEDED` enum value to the `error_code/anyOf[subschema #1: JobErrorCode]/` response property for the response status `200`
- **2026-09-14** `7baccf056192`: 2 info
  - added the required property `is_failed` to the response with the `200` status
  - added the required property `is_terminal` to the response with the `200` status

---

[Operation](https://skmtc.dev/ionworks/apis/ionworks-api/docs/pipelines/:pipeline_id/cancel/post.md) - [API](https://skmtc.dev/ionworks/apis/ionworks-api.md) - [Page](https://skmtc.dev/ionworks/apis/ionworks-api/changes/pipelines/:pipeline_id/cancel/post)