---
title: "Start Worker Session Endpoint"
method: POST
path: "/projects/{project_id}/start-worker-session"
---

# Start Worker Session Endpoint

`POST /projects/{project_id}/start-worker-session`

## Request

- Base URL: `https://usemeridian.us` (the document declares no server; this is the origin it was published from)
- URL: `https://usemeridian.us/projects/{project_id}/start-worker-session`
- Auth: none declared

v1.2.0 — REST mirror of the MCP ``start_worker_session`` tool.

Optional body: ``{task_id}``. Returns
``{session_id, task, worker_context}`` or 404 when there's no
claimable task / the named task doesn't belong to this project.

## Path parameters

- `project_id` string, required

## Request body

- object, nullable

## Response `200`

Successful Response

- object

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/usemeridian/apis/meridian.md) · [All operations](https://skmtc.dev/usemeridian/apis/meridian/llms.txt) · [OpenAPI document](https://skmtc.dev/usemeridian/apis/meridian/revisions/f37a894bd374?raw)