---
title: "Add a new cluster"
method: POST
path: "/api/clusters/actions/add/{clusterName}"
tags: ["Cluster"]
---

# Add a new cluster

`POST /api/clusters/actions/add/{clusterName}`

Adds a new cluster to the replication manager. If the cluster already exists, it returns an error.

## Path parameters

- `clusterName` string, required

## Headers

- `Authorization` string, required

## Request body

- ClusterClusterForm
  - `clusterName` string
  - `orchestrator` string
  - `plan` string

## Response `200`

Cluster added successfully

- object

## Other responses

- `400` — Error in request or Cluster already exists
- `500` — User is not valid

## Changes

- **2026-07-17** `7465ea0ee21a` — 1 info
  - endpoint added
- **2023-03-31** `b57fc7b9446e` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/signal18/apis/untitled-api/changes/api/clusters/actions/add/:clusterName/post.md)

---

[API](https://skmtc.dev/signal18/apis/untitled-api.md) · [All operations](https://skmtc.dev/signal18/apis/untitled-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/signal18/untitled-api/revisions/7465ea0ee21a/schema)