---
title: "Start Stream"
method: POST
path: "/v1/vision/stream/start"
tags: ["vision", "vision-streaming"]
---

# Start Stream

`POST /v1/vision/stream/start`

Start a streaming detection session with cascade config.

## Request body

- StreamStartRequest
  - `config` CascadeConfigRequest
    - `chain` string[] — Model chain, can include 'remote:http://...'
    - `confidence_threshold` number
  - `target_fps` number
  - `action_classes` string[], nullable
  - `cooldown_seconds` number

## Response `200`

Successful Response

- StreamStartResponse
  - `session_id` string, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/llama-farm/apis/llamafarm-edge-runtime.md) · [All operations](https://skmtc.net/llama-farm/apis/llamafarm-edge-runtime/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/llama-farm/llamafarm-edge-runtime/revisions/a23a9e72958b/schema)