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# VST Replay Stream Management API

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

## Overview

The Replay Stream service is designed to facilitate the replay or recorded streaming of sensors. This service encompasses recorded video streaming capabilities with comprehensive control and monitoring features.

## Key Features

The service provides the following capabilities:

* **Recorded Streaming**: Recorded streaming of sensors using WebRTC protocol
* **Listing Recorded Streams**: The list of available recorded streams can be queried
* **Snapshot Capturing**: Ability to capture snapshot or picture of a recorded stream
* **Recorded Stream Monitoring**: Real-time status update for the recorded stream
* **Trick Modes Support**: Various trick modes can be performed on the recorded stream like fast forward, rewind, seek +10, seek -10, play and pause
* **Performance Analytics**: Ability to get stats for recorded stream to measure performance
* **Stream Operations**: The stream supports various operations like querying the stream to get the current position and metadata of stream

## Base URL

The API is available at:

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

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

## Authentication

The VST Replay 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 Replay Stream Management API Reference](/system-components/middleware/video-io-storage-vios/vst-api-reference/vst-replay-stream-management-api/vst-replay-stream-management-api-reference).