# Get Metadata

Get metadata for a book from KOReader device.

**Endpoint**: `GET /api/sync/koreader/metadata/:uuid`
**Auth**: Required (Device authentication)

## Path Parameters

| Parameter | Type | Required | Description |
|-----------|------|-----------|-------------|
| uuid | string (UUID) | Yes | Book UUID |

## Device Authentication

This endpoint requires device authentication (not user JWT). Devices authenticate using their device credentials.

## Request Headers

| Header | Type | Required | Description |
|--------|------|-----------|-------------|
| X-Device-ID | string | Yes | Device UUID |
| X-Device-Key | string | Yes | Device authentication key |

### Example Request

```http
GET /api/sync/koreader/metadata/550e8400-e29b-41d4-a716-446655440000
X-Device-ID: 550e8400-e29b-41d4-a716-446655440000
X-Device-Key: device-auth-key
```

## Response (200 OK)

```json
{
  "id": "uuid",
  "title": "Book Title",
  "authors": ["Author Name"],
  "path": "/path/to/book.epub",
  "file_size": 1234567,
  "modified_at": "2026-02-08T10:00:00Z"
}
```

## Error Responses

| Code | Description |
|------|-------------|
| 401 | Device authentication failed |
| 404 | Book or device not found |