curl --request POST \
  --url https://sandbox.tight.com/v6/templates/classes/labels/query \
  --header 'Authorization: Bearer <token>'

{
  "result": "SUCCESS",
  "data": [
    {
      "id": "cll_439512",
      "name": "Region",
      "status": "ACTIVE",
      "requiredness": "REQUIRED",
      "child": {
        "id": "cll_439513",
        "name": "Location",
        "status": "ACTIVE",
        "requiredness": "NOT_REQUIRED"
      }
    },
    {
      "id": "cll_439514",
      "name": "Job Site",
      "status": "ACTIVE",
      "requiredness": "NOT_REQUIRED"
    }
  ],
  "cursor": {
    "after": "<string>",
    "before": "<string>"
  },
  "error": []
}