---
title: "Start sensor"
method: POST
path: "/api/v1/device/sensors/{name}/start"
tags: ["device"]
---

# Start sensor

`POST /api/v1/device/sensors/{name}/start`

Starts collecting data from the named sensor. Readings are delivered via the WebSocket sensor channel.

## Path parameters

- `name` string, required

## Query parameters

- `speed` string

## Response `200`

Sensor started.

- SensorInfo — unresolved $ref

## Other responses

- `404` — Resource not found.
- `500` — Internal server error.
- `501` — Capability not implemented by the connected backend.

## Changes

- **2026-08-17** `dcf9b09e550f` — 1 breaking, 3 info
  - the response's body type/format changed from ``/`` to `object`/`` for status `501`
  - added the required property `capability` to the response with the `501` status
  - added the required property `error` to the response with the `501` status
  - added the required property `reason` to the response with the `501` status

[Change history](https://skmtc.dev/dotnet/apis/devflow-agent-protocol/changes/api/v1/device/sensors/:name/start/post.md)

---

[API](https://skmtc.dev/dotnet/apis/devflow-agent-protocol.md) · [All operations](https://skmtc.dev/dotnet/apis/devflow-agent-protocol/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/dotnet/devflow-agent-protocol/revisions/31dec8eed3de/schema)