# Bill routes: update

URL: /code/api/bill/records-update · Id: `page:code/api/bill/records-update`

> The Bill Verbs update as api.sb routes, with inputs, result, refusals and an example.

Reference for [Bill](/business/nouns/bill), one group of [Bill routes](/code/api/bill).

### Bill.update
Changes the given properties of a Bill. [Verb page](/business/nouns/bill/update?interface=api).

```text
PATCH /{namespace}/bills/{id}
```

Path: `id`. Body, as JSON: the other inputs. Emits `Bill.updated`.

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `id` | `string` | Yes | The id of the Bill. |
| `organization` | [Organization](/business/nouns/organization) | No | The Organization the Startup owes. |
| `amount` | `money` | No | What the Bill asks for, in its currency. |
| `dueOn` | `date` | No | The date payment is due; an approved Bill is paid on it. |
| `account` | `string` | No | The chart-of-accounts code it is coded to, such as `expense.hosting`. |
| `file` | [File](/business/nouns/file) | No | The File the Bill arrived as: an email attachment or an upload. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `bill` | [Bill](/business/nouns/bill) | Yes | The Bill. |

**Refuses when**

| Check | Error | Fix | Then call |
| --- | --- | --- | --- |
| The key is valid, but its scopes do not allow this operation. | [`forbidden`](/code/api/errors/forbidden) | Use a key whose scopes cover the operation, or ask an owner of the namespace to grant them. | None. |

**Example**

```bash
curl -X PATCH https://api.sb/leaseline.app/bills/bill_Zorj7Zkbtc \
  -H "Authorization: Bearer $STARTUP_BUILDER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"organization":"organization_v0SkRLrXCN"}'
```

```json
{
  "api": "https://api.sb/leaseline.app",
  "bill": {
    "$id": "https://api.sb/leaseline.app/bills/bill_Zorj7Zkbtc",
    "$type": "Bill",
    "organization": "organization_v0SkRLrXCN",
    "amount": {
      "amount": 29,
      "currency": "USD"
    },
    "dueOn": "2026-10-22",
    "status": "received"
  },
  "action": {
    "$id": "https://api.sb/leaseline.app/actions/act_br07HsG8MG",
    "operation": "Bill.update",
    "status": "done"
  },
  "links": {
    "self": "https://api.sb/leaseline.app/actions/act_br07HsG8MG"
  }
}
```