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7Timer! vs Aare.guru API

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

API7Timer!HEALTHY91Aare.guru APIHEALTHY88
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms6001025
P95 · ms29352993
Authnonenone
CORSnoyes
HTTPSnoyes
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

7Timer! vs Aare.guru API: common questions

Which is more reliable, 7Timer! or Aare.guru API?

Both are neck-and-neck — 7Timer! and Aare.guru 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, 7Timer! or Aare.guru API?

7Timer! has the lower median latency in our checks — 7Timer! responds in 600 ms versus Aare.guru API at 1025 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 7Timer! and Aare.guru API need an API key?

Neither needs a paid key — 7Timer! is callable with no signup, and Aare.guru API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call 7Timer! and Aare.guru API from the browser?

Only Aare.guru API is browser-friendly — it returns CORS headers over HTTPS. 7Timer! needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are 7Timer! and Aare.guru API free for commercial use?

7Timer! has unclear commercial terms, and Aare.guru 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.