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# Get FileVersion by ID

GET https://{tenant_name}.benchling.com/api/v3/file/{file_id}/versions/{file_version_id}

Get a single FileVersion by ID.

Reference: https://docs.benchling.com/docs/api/benchling-api/file/versions-get

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication of the form `Bearer <token>`, where token is your auth token.

## Request

### Path parameters

- `file_id` (string, required) — ID of the File.
- `file_version_id` (string, required) — ID of the FileVersion.

### Headers

- `EARLY-ACCESS` (string, optional) — Set to true to access beta operations via /api/v3.

## Response

### 200

OK

- `__typename` (string, optional)
- `createdAt` (string, optional)
- `creator` (PrincipalRef, optional, nullable) — User who published the version.
- `file` (FileRef, optional) — The File this version belongs to.
- `id` (string, optional)
- `parentVersionId` (string, optional, nullable) — ID of the version that was current when this version was published, or null for a File's first version.
- `scratchFile` (ScratchFileRef, optional, nullable) — The content of the version, or null when the version has no uploaded content.
- `versionNumber` (integer, optional) — Position of the version in the File's history, starting at 1.

## Errors

### 400 File Versions Get Request Bad Request Error

Bad Request

- `detail` (GeneralErrorDetail, required, nullable)
- `instance` (string, required)
- `status` (integer, required)
- `title` (string, required, nullable)
- `type` (string, required)
- `invalidId` (string, optional)

### 403 File Versions Get Request Forbidden Error

Forbidden

- `detail` (GeneralErrorDetail, required, nullable)
- `instance` (string, required)
- `status` (integer, required)
- `title` (string, required, nullable)
- `type` (string, required)
- `invalidId` (string, optional)

### 404 File Versions Get Request Not Found Error

Not Found

- `detail` (GeneralErrorDetail, required, nullable)
- `instance` (string, required)
- `status` (integer, required)
- `title` (string, required, nullable)
- `type` (string, required)
- `invalidId` (string, optional)

### 429 File Versions Get Request Too Many Requests Error

Too Many Requests

- `detail` (TooManyRequestsErrorBodyDetail, required, nullable)
- `instance` (string, required)
- `status` (integer, required)
- `title` (string, required, nullable)
- `type` (string, required)
- `invalidId` (string, optional)
- `violated-policies` (list of enum, optional) — The budget policies that rejected the request, in canonical order: `user`, `integration`, then `tenant`.
  - Allowed values: `user`, `integration`, `tenant`

### 500 File Versions Get Request Internal Server Error

Internal Server Error

- `detail` (InternalServerErrorBodyDetail, required, nullable)
- `instance` (string, required)
- `status` (integer, required)
- `title` (string, required, nullable)
- `type` (string, required)
- `errorId` (string, optional)

## Types

### PrincipalRef

- `__typename` (string, optional)
- `id` (string, optional)

### FileRef

- `__typename` (string, optional)
- `id` (string, optional)

### ScratchFileRef

- `__typename` (string, optional)
- `id` (string, optional)

### GeneralErrorDetail

### TooManyRequestsErrorBodyDetail

### InternalServerErrorBodyDetail

## Examples

**Response**

```json
{
  "__typename": "__typename",
  "createdAt": "createdAt",
  "creator": {
    "__typename": "__typename",
    "id": "id"
  },
  "file": {
    "__typename": "__typename",
    "id": "id"
  },
  "id": "id",
  "parentVersionId": "parentVersionId",
  "scratchFile": {
    "__typename": "__typename",
    "id": "id"
  },
  "versionNumber": 1
}
```

**SDK Code**

```python
import requests

url = "https://{tenant_name}.benchling.com/api/v3/file/file_id/versions/file_version_id"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.json())
```

```javascript
const url = 'https://{tenant_name}.benchling.com/api/v3/file/file_id/versions/file_version_id';
const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```