WarPulse Lightning API · United States
Near real-time lightning strike data across the continental United States, updated every 20 seconds.
Example request: United States
curl https://api.lightningapi.dev/v1/flashes \
-H "X-API-Key: lapi_your_key_here" \
-G -d since_minutes=15 \
-d min_lat=24 -d max_lat=50 \
-d min_lon=-125 -d max_lon=-66Frequently asked questions
Does this cover all 50 states?
Yes. The continental US, Alaska, and Hawaii are all covered. See our dedicated Pacific, Hawaii & Alaska coverage page for the western portions.
How current is the data?
Flashes are available through the API within seconds of detection, with the public dashboard map refreshing every 15 seconds.
What coordinate format does the API use?
Standard decimal degrees (latitude, longitude), for example Chicago is roughly 41.88, -87.63. Use the bounding box parameters shown in the code sample to filter to any US region.
What you get
Simple REST API
One endpoint, one header. Pass your API key, get JSON lightning flashes back. No SDKs, no GraphQL, no ceremony.
Bounding box filter
Narrow results to any lat/lon bounding box. Ideal for regional apps that don't need global data.
Time window control
Request the last 15 minutes, or up to 24 hours (unlimited on Enterprise) depending on your plan. Tune freshness vs. volume for your use case.
Storm Proximity Alerts
Define a zone and get a signed webhook the instant lightning strikes inside it, delivered in near real-time and free of your monthly quota.
Start free with 50,000 calls/month, or plans from $21/month billed annually (save 30%). Cancel any time.
Coverage areas
Lightning data provided as-is; not for safety-critical use. Commercial use requires a Pro plan or above. Read the EULA →