---
title: "Add Label"
method: POST
path: "/traces/{trace_id}/labels"
tags: ["review"]
---

# Add Label

`POST /traces/{trace_id}/labels`

## Request

- Base URL: `https://api.os3robotics.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.os3robotics.com/traces/{trace_id}/labels`
- Auth: one of:
  - HTTP bearer
  - HTTP bearer

## Path parameters

- `trace_id` string, required

## Request body

- LabelIn
  - `label` string, required
  - `note` string, nullable
  - `queue_id` string, uuid, nullable

## Response `201`

Successful Response

- LabelOut
  - `id` integer, required
  - `trace_id` string, required
  - `queue_id` string, uuid, nullable, required
  - `label` string, required
  - `note` string, nullable, required
  - `actor_kind` string, required
  - `actor_id` string, required
  - `actor_name` string, nullable, required
  - `created_at` string, date-time, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/os3robotics/apis/os3-api.md) - [All operations](https://skmtc.dev/os3robotics/apis/os3-api/llms.txt) - [OpenAPI document](https://skmtc.dev/os3robotics/apis/os3-api/revisions/af32cd4f14bb?raw)