restful-api.dev vs Sheetsu

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

Uptime · 30d
Uptime · 90d16.7%100%
Uptime · 30d16.7%100%
P50 · ms240572
P95 · ms4221259
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublished90 req/window · 89 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

restful-api.dev vs Sheetsu: common questions

Which is more reliable, restful-api.dev or Sheetsu?

On our scheduled checks, Sheetsu leads on measured uptime — restful-api.dev at 16.7% versus Sheetsu at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, restful-api.dev or Sheetsu?

restful-api.dev has the lower median latency in our checks — restful-api.dev responds in 240 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 restful-api.dev and Sheetsu need an API key?

restful-api.dev needs no key, while Sheetsu requires a free API key. If you want to start calling without signup, reach for restful-api.dev first.

Can I call restful-api.dev and Sheetsu from the browser?

Yes — both restful-api.dev 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 restful-api.dev and Sheetsu free for commercial use?

restful-api.dev 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.