Weather Underground API vs Weatherbit - Interactive Swagger UI Documentation

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Weather Underground API vs Weatherbit - Interactive Swagger UI Documentation: common questions

Which is more reliable, Weather Underground API or Weatherbit - Interactive Swagger UI Documentation?

On our scheduled checks, Weatherbit - Interactive Swagger UI Documentation leads on measured uptime — Weather Underground API at —% versus Weatherbit - Interactive Swagger UI Documentation at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Weather Underground API and Weatherbit - Interactive Swagger UI Documentation need an API key?

Weatherbit - Interactive Swagger UI Documentation needs no key, while Weather Underground API requires a free API key. If you want to start calling without signup, reach for Weatherbit - Interactive Swagger UI Documentation first.

Can I call Weather Underground API and Weatherbit - Interactive Swagger UI Documentation from the browser?

Yes — both Weather Underground API and Weatherbit - Interactive Swagger UI Documentation send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Weather Underground API and Weatherbit - Interactive Swagger UI Documentation free for commercial use?

Weather Underground API has unclear commercial terms, and Weatherbit - Interactive Swagger UI Documentation has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.