---
title: "Changes to Cancel a check session"
method: POST
path: "/v1/check-sessions/{checkSessionId}/cancel"
---

# Changes to Cancel a check session

`POST /v1/check-sessions/{checkSessionId}/cancel`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 8 revisions.

- **2026-10-31** `bc90d1bfa738`: 5 info

## Changes

- **2026-10-31** `bc90d1bfa738`: 5 info
  - added the optional property `errorCode` to the response with the `400` status
  - 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 `429` status

---

[Operation](https://skmtc.dev/checklyhq/apis/checkly-public-api/docs/v1/check-sessions/:checkSessionId/cancel/post.md) - [API](https://skmtc.dev/checklyhq/apis/checkly-public-api.md) - [Page](https://skmtc.dev/checklyhq/apis/checkly-public-api/changes/v1/check-sessions/:checkSessionId/cancel/post)