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Sheetsu vs Vector Express v2.0

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

APISheetsuHEALTHY92Vector Express v2.0HEALTHY91
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms572613
P95 · ms12591662
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree
Rate limit90 req/window · 89 remaining5 req/window · 4 remaining · resets 1783513379
In directory since2026-07-052026-07-05
operationalpartialdownno data

Sheetsu vs Vector Express v2.0: common questions

Which is more reliable, Sheetsu or Vector Express v2.0?

Both are neck-and-neck — Sheetsu and Vector Express v2.0 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 Vector Express v2.0?

Sheetsu has the lower median latency in our checks — Sheetsu responds in 572 ms versus Vector Express v2.0 at 613 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 Vector Express v2.0 need an API key?

Vector Express v2.0 needs no key, while Sheetsu requires a free API key. If you want to start calling without signup, reach for Vector Express v2.0 first.

Can I call Sheetsu and Vector Express v2.0 from the browser?

Only Sheetsu is browser-friendly — it returns CORS headers over HTTPS. Vector Express v2.0 needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Sheetsu and Vector Express v2.0 free for commercial use?

Sheetsu has unclear commercial terms, and Vector Express v2.0 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.