---
title: "Cancel Scale Operation"
method: POST
path: "/cluster/scale/{operation_id}/cancel"
tags: ["Cluster Scaling"]
---

# Cancel Scale Operation

`POST /cluster/scale/{operation_id}/cancel`

Request cancellation. Controller checks between steps and stops if cancelled.

Only works before step 4 (point of no return - pods already deleted).

## Path parameters

- `operation_id` string, required

## Response `200`

Successful Response

- ScaleClusterResponse
  - `operation_id` string, required
  - `status` 'pending' | 'in_progress' | 'completed' | 'failed' | 'cancelled', required
  - `message` string, nullable

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/streamkap/apis/streamkap-rest-api.md) · [All operations](https://skmtc.net/streamkap/apis/streamkap-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/streamkap/streamkap-rest-api/revisions/e9ce8221bac6/schema)