---
method: GET
path: /api/collections/:id/books
auth: jwt
area: collections
---
<!-- source: internal/handlers/collections.go:774 CollectionHandler.GetBookCollections -->

# Get Book Collections

Returns the collections a given book belongs to.

## Example response

```json example-response
{
  "book_id": "550e8400-e29b-41d4-a716-446655440000",
  "collections": [
    {
      "id": "550e8400-e29b-41d4-a716-446655440000",
      "name": "To Read",
      "description": "Books I want to read soon",
      "color": "#00FF00",
      "icon": "📖"
    }
  ],
  "total": 1
}
```

## Errors

| Status | Body | When |
| ------ | ---- | ---- |
| 400 | `{"error": "invalid book id"}` | malformed id |
| 500 | `{"error": "..."}` | unexpected server error |