---
title: "Mark Channel as Unread"
slug: "mark-channel-as-unread"
updated: 2026-09-03T14:50:33Z
published: 2026-09-03T14:50:33Z
canonical: "developer.rocket.chat/mark-channel-as-unread"
---

> ## 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.

# Mark Channel as Unread

Post/api/v1/subscriptions.unread

Mark messages as unread by room ID or from a message.

### Changelog

| Version | Description |
| --- | --- |
| 0.65.0 | 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='60b771a3-6cbe-48ed-bebd-8449f1cab89a'>application/json</option>
</select><select class='select-example' aria-label='Media type'><option value='708bf5aa-692d-4b27-a27e-c21a27459e6f'>Example</option>
<option value='6df92e95-d898-4de7-a46e-57699c76e49e'>Example 2</option>
</select>Example

```json
{
  "roomId": "L6su9mxwdDkvdSaT9hvzu8z6mHFigiXy6Y"
}
```

Example 2

```json
{
  "firstUnreadMessage": {
    "_id": "L6su9mxwdDkvdSaT9hvzu8z6mHFigiXy6Y"
  }
}
```

Expand AllAnyOfobjectobjectroomIdstring    Required

The room ID.

objectobjectfirstUnreadMessageobject  Required_idstring    

The message ID.

Responses200

OK

<select class='api-response-data' aria-label='Media type'><option value='31e89a09-723a-4edd-a4a4-1086f3069774'>application/json</option>
</select><select class='select-example' aria-label='Media type'><option value='3efeebef-161a-4d1d-886d-d6cb0f356304'>Success</option>
</select>Success

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

object  successboolean    

400

Bad Request

<select class='api-response-data' aria-label='Media type'><option value='a4b0abb0-a2fd-4148-a0b6-220948d25a1a'>application/json</option>
</select><select class='select-example' aria-label='Media type'><option value='ed960fb7-8dbf-47a8-b13b-e21b954756f6'>Invalid Parameter</option>
</select>Invalid Parameter

```json
{
  "success": false,
  "error": "must have required property 'roomId'\n must have required property 'firstUnreadMessage'\n must match a schema in anyOf [invalid-params]",
  "errorType": "invalid-params"
}
```

object  successboolean    
errorstring    
errorTypestring    

401

Unauthorized

<select class='api-response-data' aria-label='Media type'><option value='30606805-0d67-4279-a93a-b32b497d7406'>application/json</option>
</select><select class='select-example' aria-label='Media type'><option value='eae08ca3-6e67-4ab0-84b0-88cafe975526'>Authorization Error</option>
</select>Authorization Error

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

object  statusstring    
messagestring