---
title: "Update"
method: POST
path: "/tracking/devices/update/v1"
tags: ["/tracking"]
---

# Update

`POST /tracking/devices/update/v1`

Updates a device's type, comments, and/or off_chrt_reference_id. Use __set_to_None flags to explicitly clear Optional fields. | auth: api_key | (DeviceClientUpdate1) -> (bool)

## Query parameters

- `device_id` string, required

## Request body

- DeviceClientUpdate1
  - `type` 'D15N-tag' | 'MTB06-label' | 'T3-D-tag'
  - `comments` string, nullable
  - `off_chrt_reference_id` string, nullable — Must be a URL-safe string of 1-64 characters. Allowed characters: A-Z, a-z, 0-9, '.', '_', '~', '-' (RFC 3986 unreserved).
  - `type__set_to_None` boolean
  - `comments__set_to_None` boolean
  - `off_chrt_reference_id__set_to_None` boolean

## Response `200`

Successful Response

- boolean

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/chrt/apis/chrt-fastapi.md) · [All operations](https://skmtc.dev/chrt/apis/chrt-fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/chrt/chrt-fastapi/revisions/ea04e157edb3/schema)