---
title: "Scale Cluster"
method: POST
path: "/cluster/scale"
tags: ["Cluster Scaling"]
---

# Scale Cluster

`POST /cluster/scale`

Create a scaling operation record. The skap-scaling controller picks it up and executes.

Only one scaling operation can run at a time per service.
Requires a BYOC service.

## Request body

- ScaleClusterRequest
  - `direction` 'up' | 'down', 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/8aea6143d003/schema)