> 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 API Reference

The VST APIs are the REST interfaces of the Video IO & Storage (VIOS) microservices. They cover managing sensors, streaming live and recorded video, recording, proxy RTSP URLs, and storage. Select an API below for its description and endpoint reference.

* [VST Sensor Management API](/system-components/middleware/video-io-storage-vios/vst-api-reference/vst-sensor-management-api) - Add, discover, and manage sensors and their settings.
* [VST Live Stream Management API](/system-components/middleware/video-io-storage-vios/vst-api-reference/vst-live-stream-management-api) - Live streaming of sensors, for example over WebRTC.
* [VST Replay Stream Management API](/system-components/middleware/video-io-storage-vios/vst-api-reference/vst-replay-stream-management-api) - Replay of recorded video from sensors.
* [VST Record Stream Management API](/system-components/middleware/video-io-storage-vios/vst-api-reference/vst-record-stream-management-api) - Start, stop, and manage recording of sensors.
* [VST Proxy Stream Management API](/system-components/middleware/video-io-storage-vios/vst-api-reference/vst-proxy-stream-management-api) - Manage proxy RTSP URLs for sensors.
* [VST Storage Management API](/system-components/middleware/video-io-storage-vios/vst-api-reference/vst-storage-management-api) - Manage stored media files and storage.