---
title: "Switch channel stream"
slug: "channel-stream-switch"
updated: 2026-09-17T10:12:40Z
published: 2026-09-17T10:12:40Z
canonical: "api.ncloud-docs.com/channel-stream-switch"
---

> ## 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.

# Switch channel stream

Available in Classic and VPC

Switch the active streaming between the main stream and backup stream of a live channel. It can be switched only for channels with the `PUBLISHING` status.

## Request

This section describes the request format. The method and URI are as follows:

| Method | URI |
| --- | --- |
| PUT | /api/v2/channels/{channelId}/switch-stream |

### Request headers

For information about the headers common to all Live Station APIs, see [Live Station request headers](/docs/en/media-livestation#%EC%9A%94%EC%B2%AD%ED%97%A4%EB%8D%94).

### Request path parameters

You can use the following path parameters with your request:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `channelId` | String | Required | Channel ID - See [Get channel list](/docs/en/media-livestation-channel-channellist). |

### Request example

The request example is as follows:

```
curl --location --request PUT 'https://livestation.apigw.ntruss.com/api/v2/channels/ls-20250814******-zTwK2/switch-stream' \
--header 'x-ncp-apigw-timestamp: {Timestamp}' \
--header 'x-ncp-iam-access-key: {Access Key}' \
--header 'x-ncp-apigw-signature-v2: {API Gateway Signature}' \
--header 'x-ncp-region_code: KR' \
--header 'Content-Type: application/json'
```

## Response

This section describes the response format.

### Response body

The response body includes the following data:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `content.channelId` | String | - | Channel ID |
| `content.channelName` | String | - | Channel name |
| `content.instanceNo` | Integer | - | Channel instance number |
| `content.qualitySetId` | Integer | - | Image quality configuration ID |
| `content.qualitySetName` | String | - | Image quality setting name |
| `content.outputProtocol` | String | - | Output protocol - `HLS` - `DASH` |
| `content.channelStatus` | String | - | Channel status - `PUBLISHING`, `STOPPED`, etc. |
| `content.isRecording` | Boolean | - | Recording status - `true`: Recording - `false`: Not recording |
| `content.useDVR` | Boolean | - | DVR usage - `true`: Enable - `false`: Disable |
| `content.immediateOnAir` | Boolean | - | Immediate on-air status - `true`: Immediate - `false`: Manual |
| `content.timemachineMin` | Integer | - | Time machine allowance minute |
| `content.cdn` | Object | - | CDN information |
| `content.cdn.instanceNo` | String | - | CDN Instance No |
| `content.cdn.serviceName` | String | - | CDN service name |
| `content.cdn.statusName` | String | - | CDN status name |
| `content.cdn.cdnType` | String | - | CDN type - `GLOBAL_EDGE` |
| `content.cdn.cdnDomain` | String | - | CDN domain |
| `content.streamKey` | String | - | Main stream key |
| `content.publishUrl` | String | - | Streaming RTMP URL |
| `content.totalPublishSeconds` | Integer | - | Total streaming time (second) |
| `content.createdTime` | Long | - | Creation time (epoch ms) |
| `content.alertOn` | Boolean | - | Notification - `true` / `false` |
| `content.recentPublishTime` | Long | - | Last streaming time (epoch ms) |
| `content.alertOptions` | Object | - | Notification option |
| `content.alertOptions.alertChangeStatus` | Boolean | - | Status change notification |
| `content.alertOptions.alertVodUploadFail` | Boolean | - | VOD upload failure notification |
| `content.alertOptions.alertReStreamFail` | Boolean | - | Restreaming failure notification |
| `content.alertOptions.alertStreamFailOver` | Boolean | - | Stream failover notification |
| `content.callbackEndpoint` | String | - | Callback URL |
| `content.envType` | String | - | Environment type - `STAGE` - `PROD` |
| `content.record` | Object | - | Set recording |
| `content.record.type` | String | - | Recording type - `NO_RECORD` |
| `content.record.bucketName` | String | - | Bucket name |
| `content.record.filePath` | String | - | File path |
| `content.record.format` | String | - | Recording file format |
| `content.record.accessControl` | String | - | Access control |
| `content.origin` | Object | - | Origin information |
| `content.origin.originDomain` | String | - | Origin domain |
| `content.origin.originPath` | String | - | Origin path |
| `content.backupStreamKey` | String | - | Backup stream key |
| `content.isStreamFailOver` | Boolean | - | Failover status - `true`/`false` |
| `content.snapshot` | Object | - | Snapshot information |
| `content.snapshot.snapshotId` | Long | - | Snapshot ID |
| `isPublishingBackUp` | Boolean | - | Backup streaming source activation - `true` \| `false` - `true`: Backup streaming enabled - `false`: Backup streaming disabled |

### Response status codes

For information about the HTTP status codes common to all Live Station APIs, see [Live Station response status codes](/docs/en/media-livestation#%EC%9D%91%EB%8B%B5%EC%83%81%ED%83%9C%EC%BD%94%EB%93%9C).

### Response example

The response example is as follows:

```
{
  "content": {
    "channelId": "ls-20250904******-DZUmt",
    "channelName": "stream_switch_test",
    "instanceNo": 10******9,
    "qualitySetId": 5,
    "qualitySetName": "480p-set",
    "outputProtocol": "HLS,DASH",
    "channelStatus": "PUBLISHING",
    "isRecording": false,
    "useDVR": true,
    "immediateOnAir": false,
    "timemachineMin": 360,
    "cdn": {
      "instanceNo": "4006",
      "serviceName": "edge-ls-2023092******-WPYkK",
      "statusName": "RUNNING",
      "cdnType": "GLOBAL_EDGE",
      "cdnDomain": "*************.edge.naverncp.com"
    },
    "streamKey": "ye*****************************7",
    "publishUrl": "rtmp://***********.video.media.ntruss.com:8080/relay",
    "globalPublishUrl": "",
    "totalPublishSeconds": 22936,
    "createdTime": 1756966010000,
    "alertOn": false,
    "recentPublishStartTime": 1764146744000,
    "alertOptions": {
      "alertChangeStatus": false,
      "alertVodUploadFail": false,
      "alertReStreamFail": false,
      "alertStreamFailOver": false
    },
    "callbackEndpoint": "https://www.example.com",
    "envType": "REAL",
    "record": {
      "type": "MANUAL_UPLOAD",
      "accessControl": "PRIVATE"
    },
    "origin": {
      "originDomain": "*****.video.media.ntruss.com",
      "originPath": "6*****3"
    },
    "backupStreamKey": "ye*****************************7?backup=true",
    "isStreamFailOver": true,
    "isPublishingBackUp": true
  }
}
```