## Get a custom field group

`GET https://getkollek.com/api/collection-types/{collectionType}/custom-field-groups/{group}`

Retrieve a single custom field group by its ID. The group must belong to the collection type in the URL.

**Permissions:** Any member of the account.

### Path parameters

- `collectionType` (integer, required): The ID of the collection type the group belongs to.
- `group` (integer, required): The ID of the custom field group.

**Returns:** A custom_field_group object, or 404 when the group or the type does not belong to your account.

### Example request

```bash
curl https://getkollek.com/api/collection-types/1/custom-field-groups/1 \
  -H "Authorization: Bearer $API_KEY" \
  -H "Accept: application/json"
```

### Example response

`Status: 200`

```json
{
    "data": {
        "type": "custom_field_group",
        "id": "1",
        "attributes": {
            "name": "Publishing info",
            "position": 1,
            "created_at": 1752537600,
            "updated_at": 1752537600
        },
        "links": {
            "self": "https://getkollek.com/api/collection-types/1/custom-field-groups/1"
        }
    }
}
```