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Sheetsu vs UUID Generator

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

APISheetsuHEALTHY92UUID GeneratorHEALTHY98
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms572220
P95 · ms1259837
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limit90 req/window · 89 remaining60 req/window · 59 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

Sheetsu vs UUID Generator: common questions

Which is more reliable, Sheetsu or UUID Generator?

Both are neck-and-neck — Sheetsu and UUID Generator 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, Sheetsu or UUID Generator?

UUID Generator has the lower median latency in our checks — Sheetsu responds in 572 ms versus UUID Generator at 220 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 Sheetsu and UUID Generator need an API key?

UUID Generator needs no key, while Sheetsu requires a free API key. If you want to start calling without signup, reach for UUID Generator first.

Can I call Sheetsu and UUID Generator from the browser?

Yes — both Sheetsu and UUID Generator 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 Sheetsu and UUID Generator free for commercial use?

Sheetsu has unclear commercial terms, and UUID Generator 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.