---
title: "Get Robot Hardware Id"
method: GET
path: "/api/daemon/hardware-id"
---

# Get Robot Hardware Id

`GET /api/daemon/hardware-id`

Robot-unique hardware ID — the Pollen audio device's USB serial.

Returns ``{"hardware_id": "<serial>"}`` (or ``null`` when no robot
is attached, e.g. on a developer machine). Same value across Lite
and Wireless variants; same value across reboots and OS reinstalls.

## Response `200`

Successful Response

- object

## Changes

- **2026-05-11** `b1a61d4d0d88` — 1 info
  - endpoint added
- **2026-03-03** `8d430e48a90a` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/pollen-robotics/apis/reachy-mini-rest-api/changes/api/daemon/hardware-id/get.md)

---

[API](https://skmtc.dev/pollen-robotics/apis/reachy-mini-rest-api.md) · [All operations](https://skmtc.dev/pollen-robotics/apis/reachy-mini-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/pollen-robotics/reachy-mini-rest-api/revisions/7f5f936a81cc/schema)