---
title: properties.add | Doing Work API
description: Add a service address to a customer, with optional label and access notes.
url: https://doingwork.work/docs/reference/properties-add/
---

# properties.add

Add a service address to a customer, with optional label and access notes.

|  |  |
|---|---|
| Who | Agents can call this |
| REST | `POST /v1/properties` |
| MCP tool | `properties_add` |
| Writes | yes, send an Idempotency-Key |
| Area | [Customers](https://doingwork.work/docs/reference/#customers) |

## When to use it

Add a service address to a customer, with optional label and access notes.

## What to tell the owner

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

## Input

| Field | Type | Required |
|---|---|---|
| `customer_id` | string (uuid) | yes |
| `address` | object | yes |
| `address.line1` | string | yes |
| `address.line2` | string | no |
| `address.locality` | string | yes |
| `address.postal_code` | string | yes |
| `address.jurisdiction` | string | yes |
| `label` | string | no |
| `access_notes` | string | no |

## Example

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

{
  "customer_id": "00000000-0000-4000-8000-000000000000",
  "address": {
    "line1": "412 Elm St",
    "locality": "Coeur d'Alene",
    "postal_code": "83814",
    "jurisdiction": "US-ID"
  }
}
```

## 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/). |