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Statistics of the World vs Web of Science API Expanded

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

APIStatistics of the WorldHEALTHY79Web of Science API ExpandedHEALTHY90
Uptime · 30d
Uptime · 90d99.44%99.44%
Uptime · 30d98.3%100%
P50 · ms423649
P95 · ms12321985
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (data sourced from World Bank & IMF)Unverified
Free tierFree — no key (optional X-API-Key header)Free tier — API key required
Rate limit1000 req/window · 999 remaining · resets 2026-07-09T11:30:37.514ZUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Statistics of the World vs Web of Science API Expanded: common questions

Which is more reliable, Statistics of the World or Web of Science API Expanded?

Both are neck-and-neck — Statistics of the World and Web of Science API Expanded each measure 99.44% 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, Statistics of the World or Web of Science API Expanded?

Statistics of the World has the lower median latency in our checks — Statistics of the World responds in 423 ms versus Web of Science API Expanded at 649 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 Statistics of the World and Web of Science API Expanded need an API key?

Statistics of the World needs no key, while Web of Science API Expanded requires a free API key. If you want to start calling without signup, reach for Statistics of the World first.

Can I call Statistics of the World and Web of Science API Expanded from the browser?

Only Statistics of the World is browser-friendly — it returns CORS headers over HTTPS. Web of Science API Expanded needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Statistics of the World and Web of Science API Expanded free for commercial use?

Statistics of the World has unclear commercial terms, and Web of Science API Expanded 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.