Open Data Portal

Free access to Hanoi flood data for research and development

About Open Data

FloodSense Hanoi is committed to transparency and data sharing. All collected data is publicly available as APIs and can be downloaded for free.

Use for: Academic research, app development, journalism, policy analysis, education

License: Creative Commons Attribution 4.0 (CC BY 4.0) - Free to use with attribution

Available Datasets

Flood AlertsJSON
Real-time flood warning data from Meteorological and Hydrological Service

API Endpoint

/api/public/alerts

Updates

Real-time

Volume

~100 alerts/year

Safe PointsJSON with GPS coordinates
List of shelters, hospitals, schools and safe areas

API Endpoint

/api/public/safe-points

Updates

Monthly

Volume

48 locations

Community ReportsJSON
Real-time reports from citizens about flood conditions

API Endpoint

/api/public/reports

Updates

Real-time

Volume

Continuously updated

Damage ReportsJSON
Post-flood damage data from citizens and businesses

API Endpoint

/api/public/damage

Updates

Real-time

Volume

Continuously updated

API Documentation
Guide to using the API

Basic Usage

// Get list of alerts fetch('https://floodsense-hanoi.vn/api/public/alerts') .then(response => response.json()) .then(data => console.log(data)) // Response format { "success": true, "data": [...], "timestamp": "2025-10-28T..." }

Requirements and Limits

  • • No API key required
  • • Rate limit: 100 requests/minute
  • • CORS enabled - can be called from browser
  • • All endpoints return JSON
  • • HTTPS supported

Attribution

When using the data, please provide attribution:

"Data from FloodSense Hanoi (floodsense-hanoi.vn), used under CC BY 4.0 license"

Data Sources

Vietnam Meteorological and Hydrological Service
Official weather warnings and flood forecasts
OpenStreetMap
Open maps and geographic data
Hanoi Government Portal
Administrative information and infrastructure
Contact & Feedback

Have questions about the data or want to contribute a new dataset? We'd love to hear from you!

  • Email: data@floodsense-hanoi.vn
  • Hotline: 1900 8888