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Aare.guru API vs Automatic Weather Stations

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

APIAare.guru APIHEALTHY88Automatic Weather StationsHEALTHY87
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms1025986
P95 · ms29931949
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Aare.guru API vs Automatic Weather Stations: common questions

Which is more reliable, Aare.guru API or Automatic Weather Stations?

Both are neck-and-neck — Aare.guru API and Automatic Weather Stations each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Aare.guru API or Automatic Weather Stations?

Automatic Weather Stations has the lower median latency in our checks — Aare.guru API responds in 1025 ms versus Automatic Weather Stations at 986 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 Automatic Weather Stations need an API key?

Neither needs a paid key — Aare.guru API is callable with no signup, and Automatic Weather Stations is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Aare.guru API and Automatic Weather Stations from the browser?

Yes — both Aare.guru API and Automatic Weather Stations 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 Aare.guru API and Automatic Weather Stations free for commercial use?

Aare.guru API has unclear commercial terms, and Automatic Weather Stations 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.