> This page is for version Dev.
> For other versions, use one of these documentation indexes:
> - 3.3.0 (default): https://docs.nvidia.com/vss/3.3.0/llms.txt
> - Dev: https://docs.nvidia.com/vss/dev/llms.txt

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/vss/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/vss/_mcp/server.

# VST Live Stream Management API

This page provides API reference for the VST Live Stream Service.

## Overview

The Live Stream service is designed to facilitate the live or real-time streaming of sensors. This service encompasses real-time video streaming capabilities with comprehensive control and monitoring features.

## Key Features

The service provides the following capabilities:

* **Live Streaming**: Live streaming of sensors using WebRTC protocol
* **Listing Live Streams**: The list of available live streams can be queried
* **Snapshot Capturing**: Ability to capture snapshot or picture of a live stream
* **Live Stream Monitoring**: Real-time status update for the live stream
* **Sub-stream Support**: A sensor can have a main stream and multiple sub-streams. Streaming of both types of streams is supported
* **Performance Analytics**: Ability to get stats for live stream to measure performance
* **Stream Operations**: The stream supports various operations like querying the stream to get the current position and metadata of stream, pause and play the live stream

## Base URL

The API is available at:

* **REST API**: `https://localhost/api`

All API endpoints are prefixed with `/v1/live`.

## Authentication

The VST Live Stream Management API uses optional bearer token authentication for endpoints that modify stream configuration or perform operations. GET requests typically do not require authentication.

> **Note**
>
> Endpoints that require authentication are marked with a security requirement in the API specification.

## Reference

Refer to the [VST Live Stream Management API Reference](/system-components/middleware/video-io-storage-vios/vst-api-reference/vst-live-stream-management-api/vst-live-stream-management-api-reference).