# PUT /api/v1/invoices/{invoice_id}/finalize

> Finalize invoice

- **Tag:** invoices
- **Operation ID:** `finalize_invoice_api_v1_invoices__invoice_id__finalize_put`

## Description

Lock an invoice and change status from draft to pending.

## Authentication

Bearer token in `Authorization` header.
Required header: `x-business-id: <business uuid>`.

## Parameters

- `invoice_id` (path, string · uuid, required)

## Responses

### 200 — Successful Response

Schema: `InvoiceResponse`

- `id` (string · required) — Invoice UUID.
- `business_id` (string · required) — Business UUID.
- `created_at` (string · date-time · required) — Creation timestamp.
- `updated_at` (string · date-time · required) — Last update timestamp.
- `status` (string · required) — Status: draft, open, partially_paid, manual_paid, stripe_paid, void.
- `currency` (string) — Currency for the invoice (USD, CAD, AUD, EUR, or GBP).
- `stripe_invoice_id` (string) — Stripe invoice ID if synced.
- `total` (integer) — Total amount in cents.
- `total_paid` (integer) — Running total of payments received in cents.
- `balance_due` (integer) — Remaining balance in cents (total - total_paid).
- `description` (string) — Invoice description/notes.
- `customer_id` (string · required) — Customer UUID.
- `customer_name` (string) — Customer name (resolved).
- `customer_email` (string) — Customer email (resolved).
- `due_date` (string) — Due date (YYYY-MM-DD).
- `line_items` (array · LineItemResponse) — Invoice line items.
- `pdf_url` (string) — URL to download invoice PDF.
- `number` (string) — Invoice number (assigned on finalize).
- `delivered` (boolean) — Whether invoice was delivered.
- `delivered_on` (string · date-time) — Delivery timestamp.
- `hosted_invoice_url` (string) — URL for customer payment portal.
- `paid_on` (string · date-time) — Payment timestamp.
- `journal_entries` (array · object) — Associated accounting journal entries.
- `payments` (array · InvoicePaymentResponse) — Payment records linking bank transactions to this invoice.
- `recurring_template_id` (string) — ID of recurring template if invoice was generated from one, or if one was created.

### 401 — Unauthorized - Authentication required

### 403 — Forbidden - Insufficient permissions

### 404 — Not Found - Resource does not exist

### 422 — Validation Error

Schema: `HTTPValidationError`

- `detail` (array · ValidationError) → `ValidationError`
  - `loc` (array · string | integer · required)
  - `msg` (string · required)
  - `type` (string · required)
  - `input` (object)
  - `ctx` (object)

## Code samples

### cURL

```bash
curl -X PUT 'https://api.ondayzero.com/api/v1/invoices/{invoice_id}/finalize' \
  -H 'Authorization: Bearer dz_your_token' \
  -H 'x-business-id: YOUR_BUSINESS_ID'
```

### JavaScript

```javascript
const response = await fetch('https://api.ondayzero.com/api/v1/invoices/{invoice_id}/finalize', {
  method: 'PUT',
  headers: {
    Authorization: 'Bearer dz_your_token',
    'x-business-id': 'YOUR_BUSINESS_ID',
  },
});
const data = await response.json();
```

### Python

```python
import httpx

headers = {
    "Authorization": "Bearer dz_your_token",
    "x-business-id": "YOUR_BUSINESS_ID",
}

response = httpx.put("https://api.ondayzero.com/api/v1/invoices/{invoice_id}/finalize", headers=headers)
data = response.json()
```

## See also

- HTML version: https://www.ondayzero.com/docs/reference/invoices/finalize-invoice
- OpenAPI slice: https://www.ondayzero.com/docs/reference/invoices/finalize-invoice/openapi.json
- Other endpoints in **invoices**: https://www.ondayzero.com/docs/reference/invoices