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AviationWeather vs Solematica

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

APIAviationWeatherNEW—SolematicaNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licensePublic domain (U.S. Government / NOAA)Unverified
Free tierFree, no keyFree public /providers endpoint; other endpoints need paid credits
Rate limitUnpublished (NWS requests reasonable use)100 req/window · 99 remaining · resets 900
In directory since2026-07-052026-07-05
operationalpartialdownno data

AviationWeather vs Solematica: common questions

Which is more reliable, AviationWeather or Solematica?

On our scheduled checks, Solematica leads on measured uptime — AviationWeather at —% versus Solematica 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 AviationWeather and Solematica need an API key?

Neither needs a paid key — AviationWeather is callable with no signup, and Solematica is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call AviationWeather and Solematica from the browser?

Neither sends browser-friendly CORS headers reliably, so call AviationWeather and Solematica from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are AviationWeather and Solematica free for commercial use?

AviationWeather allows commercial use on its free tier, and Solematica 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.