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Aare.guru API vs Glax Weather API

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

APIAare.guru APIHEALTHY88Glax Weather APIHEALTHY87
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms10251004
P95 · ms29932534
Authnonenone
CORSyesno
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 Glax Weather API: common questions

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

Both are neck-and-neck — Aare.guru API and Glax Weather API 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 Glax Weather API?

Glax Weather API has the lower median latency in our checks — Aare.guru API responds in 1025 ms versus Glax Weather API at 1004 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 Glax Weather API need an API key?

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

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

Only Aare.guru API is browser-friendly — it returns CORS headers over HTTPS. Glax Weather API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Aare.guru API and Glax Weather API free for commercial use?

Aare.guru API has unclear commercial terms, and Glax Weather API 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.