---
title: "Add a new user to a cluster"
method: POST
path: "/api/clusters/{clusterName}/users/add"
tags: ["User"]
---

# Add a new user to a cluster

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

## Request

- The document declares no server URL.
- Auth: none declared. Required headers: `Authorization`

Adds a new user to the specified cluster if the request is valid and the user has the necessary permissions.

## Path parameters

- `clusterName` string, required

## Headers

- `Authorization` string, required

## Request body

- ClusterUserForm
  - `grants` string
  - `password` string
  - `roles` string
  - `username` string

## Response `200`

User added successfully

- string

## Other responses

- `400`: Error in request
- `403`: No Valid ACL
- `500`: Error adding new user" or "No valid cluster

## Changes

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

[Operation history](https://skmtc.dev/signal18/apis/signal-18-dashboard-api/changes/api/clusters/:clusterName/users/add/post.md)

---

[API](https://skmtc.dev/signal18/apis/signal-18-dashboard-api.md) - [All operations](https://skmtc.dev/signal18/apis/signal-18-dashboard-api/llms.txt) - [OpenAPI document](https://skmtc.dev/signal18/apis/signal-18-dashboard-api/revisions/8ee8a1e31294?raw)