curl --request GET \
  --url https://api.hayinsights.com/openapi/v1/real-estate/{country}/provinces \
  --header 'X-API-Key: <api-key>'

{
  "success": true,
  "statusCode": 200,
  "data": [
    {
      "id": 2,
      "name": "Hà Nội",
      "code": "HN",
      "bbox": null
    },
    {
      "id": 1,
      "name": "Hồ Chí Minh",
      "code": "HCM",
      "bbox": null
    }
  ],
  "meta": {
    "timestamp": "2026-06-19T08:54:29.672Z"
  }
}