# GET /api/v1/accounting-periods/{period_id}/checklist-acks

> List checklist acknowledgements

- **Tag:** accounting-periods
- **Operation ID:** `list_period_checklist_acks_api_v1_accounting_periods__period_id__checklist_acks_get`

## Description

Return all manual checklist step acknowledgements recorded for the period. Used by the close dashboard so Phase 4 'trial balance reviewed', 'P&L variance reviewed', 'controller signed off' etc. persist across page refreshes.

## Authentication

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

## Parameters

- `period_id` (path, string, required)

## Responses

### 200 — Successful Response

Schema: `CloseChecklistAcksListResponse`

- `period_id` (string · required) — Period UUID the acks belong to
- `period_start` (string · date · required) — Period start date
- `items` (array · CloseChecklistAckResponse) → `CloseChecklistAckResponse`
  - `id` (string · required) — Ack row UUID
  - `business_id` (string · required) — Business UUID
  - `period_start` (string · date · required) — Period start the ack is keyed to
  - `step_id` (string · required) — Checklist step ID (e.g. trial_balance_review)
  - `notes` (string) — Optional free-form note
  - `acked_by` (string) — User who acknowledged
  - `created_at` (string · date-time · required) — When the ack was first recorded
  - `updated_at` (string · date-time · required) — When the ack was last updated

### 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 GET 'https://api.ondayzero.com/api/v1/accounting-periods/{period_id}/checklist-acks' \
  -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/accounting-periods/{period_id}/checklist-acks', {
  method: 'GET',
  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.get("https://api.ondayzero.com/api/v1/accounting-periods/{period_id}/checklist-acks", headers=headers)
data = response.json()
```

## See also

- HTML version: https://www.ondayzero.com/docs/reference/accounting-periods/list-period-checklist-acks
- OpenAPI slice: https://www.ondayzero.com/docs/reference/accounting-periods/list-period-checklist-acks/openapi.json
- Other endpoints in **accounting-periods**: https://www.ondayzero.com/docs/reference/accounting-periods