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Umeå Open Data vs Web of Science API Expanded

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

APIUmeå Open DataHEALTHY55Web of Science API ExpandedHEALTHY88
Uptime · 30d
Uptime · 90d89.2%99.02%
Uptime · 30d81.7%98.3%
P50 · ms1445787
P95 · ms48631985
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseVaries by dataset (municipal open data; see portal)Unverified
Free tierFree — open data portal, no keyFree tier — API key required
Rate limit1000 req/window · 999 remaining · resets 2026-07-09 00:00:00+00:00Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Umeå Open Data vs Web of Science API Expanded: common questions

Which is more reliable, Umeå Open Data or Web of Science API Expanded?

On our scheduled checks, Web of Science API Expanded leads on measured uptime — Umeå Open Data at 89.2% versus Web of Science API Expanded at 99.02% 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, Umeå Open Data or Web of Science API Expanded?

Web of Science API Expanded has the lower median latency in our checks — Umeå Open Data responds in 1445 ms versus Web of Science API Expanded at 787 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 Umeå Open Data and Web of Science API Expanded need an API key?

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

Can I call Umeå Open Data and Web of Science API Expanded from the browser?

Only Umeå Open Data 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 Umeå Open Data and Web of Science API Expanded free for commercial use?

Umeå Open Data 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.