curl --request GET \
  --url https://your-instance.example.com/api/organizations/{organizationId}/conditional-fields/catalog \
  --header 'Authorization: Bearer <token>'

{
  "sections": [
    {
      "id": "contact.identity",
      "name": "Identity"
    }
  ],
  "fields": [
    {
      "id": "contact.age",
      "sectionId": "contact.identity",
      "type": "number"
    },
    {
      "id": "contact.country",
      "sectionId": "contact.identity",
      "type": "string"
    }
  ]
}