---
title: "Unblock chat users"
slug: "b2bpls-unbanuser"
updated: 2026-09-17T10:12:40Z
published: 2026-09-17T10:12:40Z
canonical: "api.ncloud-docs.com/b2bpls-unbanuser"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Unblock chat users

Available in Classic and VPC

It is an API to unblock chat users. For the use flow of B2B PRISM Live Studio, see [Chat user management process](https://guide.ncloud-docs.com/docs/en/b2bpls-chatuser).

## Requests

The request format is as follows:

```
PUT /prism/v1/service/live/{liveId}/unban/{userId}
```

### Request headers

The description of the header is as follows:

| Name | Type | Description | Required |
| --- | --- | --- | --- |
| x-prism-access-token | String | Access Token issued through OAuth2.0 authorization | Y |

### Request path parameters

The description of the parameters is as follows:

| Name | Type | Description | Required |
| --- | --- | --- | --- |
| liveId | String | Live ID | Y |
| userId | String | User ID | Y |

## Examples

Introduces examples of syntax.

### Request examples

An example of the syntax is as follows:

```
curl -X PUT /prism/v1/service/live/{liveId}/unban/{userId}
    -H "x-prism-access-token: {access-token}"
```