---
title: "List unique annotators for project"
method: GET
path: "/api/projects/{id}/annotators/"
tags: ["Projects"]
---

# List unique annotators for project

`GET /api/projects/{id}/annotators/`

Return unique users who have submitted annotations in the specified project.

## Path parameters

- `id` integer, required

## Response `200`

List of annotator users

- UserSimple[]
  - `avatar` string, nullable, required
  - `email` string, email
  - `first_name` string
  - `id` integer, required
  - `last_name` string
  - `username` string, required

## Changes

> 97 revisions in range; 1 not diffed.

- **2026-07-08** `b5f055b9d45b` — 1 breaking
  - the response property `items/avatar` became nullable for the status `200`

[Change history](https://skmtc.dev/humansignal/apis/label-studio-api/changes/api/projects/:id/annotators/get.md)

---

[API](https://skmtc.dev/humansignal/apis/label-studio-api.md) · [All operations](https://skmtc.dev/humansignal/apis/label-studio-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/humansignal/label-studio-api/revisions/b589624c66c3/schema)