---
title: routes.setStart | Doing Work API
description: Save where a worker starts the day (their home or a yard), or with no person_id the shop's yard, used when a worker has none. Owner or office for anyone; a
url: https://doingwork.work/docs/reference/routes-setstart/
---

# routes.setStart

Save where a worker starts the day (their home or a yard), or with no person_id the shop's yard, used when a worker has none. Owner or office for anyone; a worker for themselves. A worker's own start is seen only by them and the owner or office.

|  |  |
|---|---|
| Who | Agents can call this |
| REST | `POST /v1/routes/setStart` |
| MCP tool | `routes_setStart` |
| Writes | yes, send an Idempotency-Key |
| Area | [Shop](https://doingwork.work/docs/reference/#shop) |

## When to use it

Save where a worker starts the day (their home or a yard), or with no person_id the shop's yard, used when a worker has none. Owner or office for anyone; a worker for themselves.

## What to tell the owner

Say what you did in plain words and what happens next.

## Input

| Field | Type | Required |
|---|---|---|
| `shop_id` | string (uuid) | yes |
| `person_id` | string (uuid) | no |
| `label` | string | yes |
| `lat` | number | yes |
| `lng` | number | yes |
| `source` | string (one of agent, typed) | no |

## Example

```http
POST https://doingwork.work/v1/routes/setStart
content-type: application/json
Idempotency-Key: 3f1c...

{
  "shop_id": "00000000-0000-4000-8000-000000000000",
  "label": "...",
  "lat": "...",
  "lng": "..."
}
```

## Output

JSON. The response shape isn't published yet; read the fields you need and ignore the rest. Errors are `{code, message, status}`.

## Errors

| Code | Status | What to do |
|---|---|---|
| `invalid_input`, `invalid_token`, `rate_limited` |  | Can happen on any call. See [errors](https://doingwork.work/docs/errors/). |