---
title: "Add Group Moderator"
slug: "add-group-moderator"
updated: 2026-09-03T14:50:33Z
published: 2026-09-03T14:50:33Z
canonical: "developer.rocket.chat/add-group-moderator"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://developer.rocket.chat/llms.txt
> Use this file to discover all available pages before exploring further.

# Add Group Moderator

Post/api/v1/groups.addModerator

Assign the `moderator` role to a user in a private channel. Learn more about roles from the [Roles in Rocket.Chat](https://docs.rocket.chat/docs/roles-in-rocketchat) document.

Permission required: `set-moderator`

### Changelog

| Version | Description |
| --- | --- |
| 0.49.4 | Added. |

Header parametersX-Auth-TokenstringRequired

The `authToken` of the authenticated user.

ExampleRScctEHSmLGZGywfIhWyRpyofhKOiMoUIpimhvheU3f
X-User-IdstringRequired

The `userId` of the authenticated user.

ExamplerbAXPnMktTFbNpwtJ

Body parameters<select class='api-response-data' aria-label='Media type'><option value='b351a0aa-31aa-4389-866d-7b10bcb6b70b'>application/json</option>
</select><select class='select-example' aria-label='Media type'><option value='a03c78b0-9310-4686-800e-613fbdbcdefe'>Example</option>
</select>Example

```json
{
  "roomId": "ByehQjC44FwMeiLbX",
  "userId": "nSYqWzZ4GsKTX4dyK"
}
```

object  roomIdstring    Required

The groups's (private channel) ID.

ExampleByehQjC44FwMeiLbX
userIdstring    Required

The user's ID.

ExamplenSYqWzZ4GsKTX4dyK

Responses200

OK

<select class='api-response-data' aria-label='Media type'><option value='523a103b-0bec-47c5-a166-9be49779a51d'>application/json</option>
</select><select class='select-example' aria-label='Media type'><option value='6fbe803e-f465-4b5f-8c41-8e4c5313fa13'>Success</option>
</select>Success

```json
{
  "success": true
}
```

object  successboolean    

400

Bad Request

<select class='api-response-data' aria-label='Media type'><option value='cc6b1cb9-2bc5-4fa9-8ffd-e3237f57d6f6'>application/json</option>
</select><select class='select-example' aria-label='Media type'><option value='7f79d40d-8c1e-41a3-a96b-ae5e072f29c5'>Example 1</option>
</select>Example 1

```json
{
  "success": false,
  "error": "The required \"roomId\" or \"roomName\" param provided does not match any group [error-room-not-found]",
  "errorType": "error-room-not-found"
}
```

object  successboolean    
errorstring    
errorTypestring    

401

Unauthorized

<select class='api-response-data' aria-label='Media type'><option value='4e6132ba-fb26-4a0a-8653-49a33ae843f5'>application/json</option>
</select><select class='select-example' aria-label='Media type'><option value='4b2b35d4-5f4b-43f8-8ea8-0ef7010e7999'>Authorization Error</option>
</select>Authorization Error

```json
{
  "status": "error",
  "message": "You must be logged in to do this."
}
```

object  statusstring    
messagestring