# Create Note

Create a new note for a media item.

**Endpoint**: `POST /api/media-items/{media_id}/notes`
**Auth**: Required
**Content-Type**: `application/json`

## Path Parameters

| Parameter | Type | Required | Description |
|-----------|------|-----------|-------------|
| media_id | string | Yes | Media item UUID |

## Request Body

| Field | Type | Required | Description |
|--------|------|-----------|-------------|
| content | string | Yes | Note content |
| position | string | No | Location reference (e.g., epubcfi) |
| percentage_location | float | No | Location as percentage (0-1) |
| epubcfi_location | string | No | EPUB CFI location |

### Example Request

```json
{
  "content": "This is a note",
  "position": "epubcfi(/6/4/2:15)",
  "percentage_location": 0.45,
  "epubcfi_location": "epubcfi(/6/4/2:15)"
}
```

## Response (201 Created)

```json
{
  "id": "uuid",
  "media_item_id": "uuid",
  "user_id": "uuid",
  "content": "This is a note",
  "position": "epubcfi(/6/4/2:15)",
  "percentage_location": 0.45,
  "epubcfi_location": "epubcfi(/6/4/2:15)",
  "created_at": "2026-01-31T10:00:00Z"
}
```

## Error Responses

| Code | Description |
|------|-------------|
| 400 | Invalid note data |
| 401 | Invalid or expired token |
| 404 | Media item not found |
