---
title: "Mark Channel as Unread"
slug: "mark-channel-as-unread"
updated: 2026-06-08T12:46:40Z
published: 2026-06-08T12:46:40Z
---

> ## 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='50590ba4-538a-48b3-874b-9e1128faef6e'>application/json</option>
</select><select class='select-example' aria-label='Media type'><option value='e177c3cf-c560-495c-8d71-3e9e02f1ee1a'>Example</option>
<option value='673f057b-06bc-490f-94ab-122c456e91f9'>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='6ccc1da0-d9e7-42d0-8ec0-53be46a01187'>application/json</option>
</select><select class='select-example' aria-label='Media type'><option value='54cb44a3-dee3-4455-b100-f9a1d4e3a025'>Success</option>
</select>Success

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

object  successboolean    

400

Bad Request

<select class='api-response-data' aria-label='Media type'><option value='5bc6ef3d-1e01-4b39-885c-89f06dc22472'>application/json</option>
</select><select class='select-example' aria-label='Media type'><option value='4b33cdd2-28a9-479f-a96e-c8bf1565438f'>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='ecfb1bac-55eb-4535-a282-74c1fc873e36'>application/json</option>
</select><select class='select-example' aria-label='Media type'><option value='9750b02d-470a-4bd2-869c-bb20b6994dfb'>Authorization Error</option>
</select>Authorization Error

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

object  statusstring    
messagestring