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 2026-08-19
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National Weather Service API
beginnerSmall
National Weather Service API
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
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GDACS Disaster Alerts
beginnerTiny
GDACS Disaster Alerts
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
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USGS Earthquake Catalog
beginnerMedium
USGS Earthquake Catalog
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
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NASA FIRMS Active Fire Data
intermediateSmall
NASA FIRMS Active Fire Data
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
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CISA Known Exploited Vulnerabilities Catalog
beginnerTiny
CISA Known Exploited Vulnerabilities Catalog
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
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Federal Register Documents API
beginnerSmall
Federal Register Documents API
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
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CDC FluView ILINet
beginnerTiny
CDC FluView ILINet
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
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NOAA SWPC Space Weather
beginnerTiny
NOAA SWPC Space Weather
Operational geomagnetic and space-weather indices for building grid, radio, and satellite-environment monitors.
First project: Flag elevated planetary K-index periods
EnvironmentJSONNo key
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