Build an Alerting Tool

Official feeds that can power a focused monitor for hazards, health, or security without scraping or paid data.

Curated by Trilemma Data · Reviewed 2026-08-20

Browse Matching Catalog Filters

National Weather Service API
BeginnerSmall
Current U.S. forecasts, observations, and official weather alerts for building local planning tools and operational warning products.

First Project: Flag Risky Hours for an Outdoor Plan

EnvironmentGeoJSON +2No Key
GDACS Disaster Alerts
BeginnerTiny
Global multi-hazard disaster alerts for building international emergency monitors that stay linked to official national sources.

First Project: List Recent Orange and Red Earthquake Alerts

EnvironmentJSON +1No Key
USGS Earthquake Catalog
BeginnerMedium
Continuously updated earthquake locations, magnitudes, depths, timestamps, and review status for monitoring seismic activity and spatial patterns.

First Project: Profile the Past Week's Earthquakes

EnvironmentGeoJSON +3No Key
NASA FIRMS Active Fire Data
IntermediateSmall
Near-real-time satellite detections of active fires and thermal anomalies for monitoring hotspots, mapping risk, and supporting emergency analysis.

First Project: Locate Today's Strongest Thermal Anomalies

EnvironmentCSV +3Key
CISA Known Exploited Vulnerabilities Catalog
BeginnerTiny
Confirmed in-the-wild software vulnerabilities for building patch-priority alerts, exposure monitors, and remediation queues.

First Project: Monitor Newly Exploited Vulnerabilities

TechnologyJSON +1No Key
Federal Register Documents API
BeginnerSmall
Daily rules, proposed rules, notices, and presidential documents for building focused regulatory-change and agency-publication monitors.

First Project: Monitor One Agency's New Publications

GovernmentJSONNo Key
CDC FluView ILINet
BeginnerTiny
Weekly U.S. outpatient influenza-like illness activity for building seasonal respiratory-illness monitoring tools.

First Project: Compare Recent State ILI Activity Levels

HealthJSON +1No Key
NOAA SWPC Space Weather
BeginnerTiny
Operational geomagnetic and space-weather indices for building grid, radio, and satellite-environment monitors.

First Project: Flag Elevated Planetary K-Index Periods

EnvironmentJSONNo Key
CDC NWSS Wastewater Data
BeginnerSmall
Weekly U.S. wastewater viral detections for influenza A and other pathogens for building community-level respiratory-illness monitoring tools.

First Project: Flag Recent Influenza A Wastewater Detections

HealthJSON +1No Key