---
title: "List a task's collaborators"
method: GET
path: "/tasks/{id}/collaborators"
tags: ["tasks"]
---

# List a task's collaborators

`GET /tasks/{id}/collaborators`

## Request

- Base URL: `https://api.onplana.com/api`
- URL: `https://api.onplana.com/api/tasks/{id}/collaborators`
- Auth: one of:
  - HTTP bearer
  - API key in header `Authorization`

## Path parameters

- `id` string, required

## Headers

- `X-Organization-Id` string, required

## Response `200`

{ collaborators }, oldest first

- object
  - `collaborators` TaskCollaborator[]
    - `id` string, required: User id
    - `name` string, nullable, required
    - `avatar` string, nullable, required
    - `isAgentPersona` boolean, required: An AI agent member of the organization

## Other responses

- `400`: Validation error
- `401`: Unauthorized - missing or invalid JWT
- `404`: Task not found, or not visible to the caller

---

[API](https://skmtc.dev/onplana/apis/onplana-api.md) · [All operations](https://skmtc.dev/onplana/apis/onplana-api/llms.txt) · [OpenAPI document](https://skmtc.dev/onplana/apis/onplana-api/revisions/c3d6c89e9dc8?raw)