# Returns the accounting book with the given identifier.

`GET /accounting/books/{id}`

Group: Accounting › Books · Operation ID: `getBook`

[Open in the interactive reference](https://docs.api.lensing.ai/?op=getBook)

## Parameters

| Name | In | Type | Required | Description |
| --- | --- | --- | --- | --- |
| `Api-Version` | header | `"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 for the accounting book to return. |

## Response

`200` Success

Under `data` (getBookOutput):

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `id` | string | yes | The unique identifier for the accounting book. |
| `name` | string | yes | The display name of the accounting book. |
| `type` | string | yes | The kind of accounting book. Possible values: 'full', 'adjustment'. An adjustment book adjusts the full book named in baseBookId. |
| `accountingStandard` | string | no | The accounting standard the book follows, for example 'IFRS' or 'US GAAP'. Absent when none is set. |
| `consolidation` | boolean | yes | Whether the book consolidates other books or entities. |
| `description` | string | no | A free-form description of the accounting book. Absent when none is set. |
| `baseBookId` | string | no | The full book this adjustment book adjusts. Absent for a full book. See id on GET accounting/books/:id. |
| `lastModifiedDate` | string (date-time) | yes | The date and time the accounting book record last changed, in UTC. Format YYYY-MM-DDTHH:mm:ss.sssZ. |

## Errors

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

## Statuses

- `400` — Invalid request or business failure. Codes: NOT_FOUND
- `401` — Missing or invalid access token
- `403` — Not authorized
- `404` — Not found
- `429` — Too many requests
- `500` — Internal server error