## Update a category

`PUT https://getkollek.com/api/collections/{collection}/categories/{category}`

Update the name, description and parent of a category. A category cannot be its own parent, nor be nested under one of its own descendants.

**Permissions:** Owners and editors. Viewers get a 404 response.

### Path parameters

- `collection` (integer, required): The ID of the collection the category belongs to.
- `category` (integer, required): The ID of the category.

### Body parameters

- `name` (string, required): The name of the category. Maximum 255 characters.
- `parent_id` (integer, optional): The ID of the parent category, for nesting. Must belong to the same collection.
- `description` (string, optional): What the category holds, shown on the category page. Maximum 255 characters.

**Returns:** The updated category object.

### Example request

```bash
curl https://getkollek.com/api/collections/1/categories/2 \
  -X PUT \
  -H "Authorization: Bearer $API_KEY" \
  -H "Accept: application/json" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Marvel",
    "parent_id": "1",
    "description": "Key issues and full runs from the 1990s Marvel era."
}'
```

### Example response

`Status: 200`

```json
{
    "data": {
        "type": "category",
        "id": "2",
        "attributes": {
            "name": "Spider-Man",
            "description": null,
            "collection_id": "1",
            "parent_id": "1",
            "created_at": 1752537600,
            "updated_at": 1752537600
        },
        "links": {
            "self": "https://getkollek.com/api/collections/1/categories/2"
        }
    }
}
```