# Retrieve a fiscal calendar

Operation ID: `getFiscalCalendar`

Group: Accounting › Fiscal Calendars

[Open in the interactive reference](https://docs.api.lensing.ai/lensing/v1/endpoints/getFiscalCalendar)

`GET /accounting/fiscal-calendars/{id}`

Read-only: Reads and returns; changes nothing.

Retrieves a fiscal calendar. The response includes the fiscal years the calendar spans and the names of the legal entities it is assigned to.

## Parameters

| Name | In | Type | Required | Description |
| --- | --- | --- | --- | --- |
| `Api-Version` | header | string · v1 | yes | The API version this request targets, named by its public identifier. Required on every request; omitting it, or naming a version this company does not have, is answered with 400. This document describes version `v1`. |
| `id` | path | string | yes | The unique identifier of the fiscal calendar you want to retrieve. |

## Response

`200` Success

Under `data` (getFiscalCalendarOutput):

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `id` | string | yes | The unique identifier for the fiscal calendar. |
| `calendarName` | string | yes | The name of the fiscal calendar, unique within the tenant. |
| `description` | string | no | A description of the fiscal calendar. Absent when none has been set. |
| `periodFormat` | string | yes | How the fiscal calendar divides a fiscal year into periods. Possible values: 'calendarMonths' (twelve monthly periods), '4-4-5', '4-5-4', '5-4-4' (retail quarters of thirteen weeks, split into periods of that many weeks). |
| `status` | string | no | The lifecycle status of the fiscal calendar. Possible values: 'new', 'active', 'deactivated'. Absent when none has been set. |
| `fiscalYearsCount` | number | no | The number of distinct fiscal years on this calendar. Absent until the first fiscal year exists. |
| `fiscalYears` | array<string> | no | The distinct fiscal years this calendar spans, taken from its accounting periods, in no guaranteed order. Each is a free-text label such as 'FY2024'. An empty array when the calendar has no fiscal years yet. |
| `assignedEntities` | array<string> | no | The names, not the identifiers, of the legal entities this calendar is assigned to, in no guaranteed order. An empty array when it is assigned to none. |
| `anchorDate` | date | no | The anchor reference date, set only for retail calendars (a '4-4-5', '4-5-4' or '5-4-4' periodFormat). It is the last day of the month before the first period starts. Format YYYY-MM-DD. Absent on a calendarMonths calendar. |
| `lastModifiedDate` | date-time | yes | The date and time the fiscal calendar last changed, in UTC. Format YYYY-MM-DDTHH:mm:ss.sssZ. |

```json
{
  "data": {
    "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
    "calendarName": "<calendarName>",
    "description": "<description>",
    "periodFormat": "<periodFormat>",
    "status": "<status>",
    "fiscalYearsCount": 0,
    "fiscalYears": [
      "<fiscalYears>"
    ],
    "assignedEntities": [
      "<assignedEntities>"
    ],
    "anchorDate": "2026-01-15",
    "lastModifiedDate": "2026-01-15T09:30:00.000Z"
  },
  "diagnostics": [
    {
      "code": "<code>",
      "message": "<message>",
      "severity": "error",
      "path": [
        "<path>"
      ],
      "details": "<details>"
    }
  ]
}
```

## Errors

| Code | Status |
| --- | --- |
| `NOT_FOUND` | 400 |

## Statuses

- `400` — Invalid request or business failure. Codes: NOT_FOUND
- `401` — The request carries no valid access token.
- `403` — Not authorized
- `404` — Not found
- `429` — Too many requests from this client address. The response has no body and no `Retry-After` header.
- `500` — Internal server error