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APIs.guru vs Sheetsu

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

APIAPIs.guruHEALTHY97SheetsuHEALTHY92
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms266572
P95 · ms14211259
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree and open, no keyFree tier — key may be required
Rate limitUnpublished90 req/window · 89 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

APIs.guru vs Sheetsu: common questions

Which is more reliable, APIs.guru or Sheetsu?

Both are neck-and-neck — APIs.guru 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, APIs.guru or Sheetsu?

APIs.guru has the lower median latency in our checks — APIs.guru responds in 266 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 APIs.guru and Sheetsu need an API key?

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

Can I call APIs.guru and Sheetsu from the browser?

Yes — both APIs.guru and Sheetsu 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 APIs.guru and Sheetsu free for commercial use?

APIs.guru 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.