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

{
  "success": true,
  "statusCode": 200,
  "data": [
    {
      "wardId": 1,
      "wardName": "Sài Gòn",
      "area": "Khu vực I",
      "avgPriceResidentialVt1": 365020,
      "avgPriceResidentialVt2": null,
      "avgPriceResidentialVt3": null,
      "avgPriceResidentialVt4": null,
      "minPriceResidential": 191200,
      "maxPriceResidential": 687200,
      "roadCount": 60,
      "year": 2025,
      "month": 1,
      "unit": "k_vnd"
    }
  ],
  "meta": {
    "timestamp": "2026-06-19T08:54:29.621Z"
  }
}