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Piloterr vs Sheetsu

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

APIPiloterrHEALTHY91SheetsuHEALTHY92
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms635572
P95 · ms17301259
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — key may be required
Rate limitUnpublished90 req/window · 89 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

Piloterr vs Sheetsu: common questions

Which is more reliable, Piloterr or Sheetsu?

Both are neck-and-neck — Piloterr and Sheetsu 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, Piloterr or Sheetsu?

Sheetsu has the lower median latency in our checks — Piloterr responds in 635 ms versus Sheetsu at 572 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 Piloterr and Sheetsu need an API key?

Both ask you to authenticate — Piloterr uses an API key and Sheetsu uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Piloterr and Sheetsu from the browser?

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

Are Piloterr and Sheetsu free for commercial use?

Piloterr has unclear commercial terms, and Sheetsu 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.