> ## Documentation Index
> Fetch the complete documentation index at: https://nusaai-edit.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Download File Content

Download the actual content of an uploaded file.

<ParamField path="file_id" type="string" required>
  The ID of the file to download (e.g., `file-abc123`).
</ParamField>

### Returns

Returns the raw file content with appropriate headers:

* `Content-Type`: The MIME type of the file (e.g., `text/jsonl`)
* `Content-Disposition`: Attachment header with the original filename
* `Content-Length`: Size of the content in bytes

### Return Examples

```text Response 200 theme={null}
Raw file content will be returned with appropriate headers
```

```json Error 404 - File Not Found theme={null}
{
  "error": {
    "message": "File not found or access denied",
    "type": "invalid_request_error",
    "code": "file_not_found"
  }
}
```

```json Error 410 - File Expired theme={null}
{
  "error": {
    "message": "File has expired",
    "type": "invalid_request_error",
    "code": "file_expired"
  }
}
```

```json Error 500 - Content Unavailable theme={null}
{
  "error": {
    "message": "File content not available",
    "type": "server_error",
    "code": "content_unavailable"
  }
}
```