Aare.guru API vs AviationWeather
Same instrument, two spec sheets — measured, not claimed.
Aare.guru API vs AviationWeather: common questions
Which is more reliable, Aare.guru API or AviationWeather?
On our scheduled checks, Aare.guru API leads on measured uptime — Aare.guru API at 100% versus AviationWeather at 93.1% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, Aare.guru API or AviationWeather?
AviationWeather has the lower median latency in our checks — Aare.guru API responds in 1025 ms versus AviationWeather at 450 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do Aare.guru API and AviationWeather need an API key?
Neither needs a paid key — Aare.guru API is callable with no signup, and AviationWeather is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Aare.guru API and AviationWeather from the browser?
Only Aare.guru API is browser-friendly — it returns CORS headers over HTTPS. AviationWeather needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Aare.guru API and AviationWeather free for commercial use?
Aare.guru API has unclear commercial terms, and AviationWeather allows commercial use on its free tier. 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.