curl --request GET \
  --url https://api.fillout.com/v1/api/forms/{formId} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "name": "<string>",
  "questions": [
    {
      "id": "<string>",
      "name": "<string>",
      "type": "Address"
    }
  ],
  "calculations": [
    {
      "id": "<string>",
      "name": "<string>",
      "type": "number"
    }
  ],
  "urlParameters": [
    {
      "id": "<string>",
      "name": "<string>"
    }
  ],
  "scheduling": [
    {
      "id": "<string>",
      "name": "<string>"
    }
  ],
  "payments": [
    {
      "id": "<string>",
      "name": "<string>"
    }
  ],
  "quiz": {
    "enabled": true
  }
}