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UUID Generator API vs Web of Science API Expanded

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

APIUUID Generator APIHEALTHY91Web of Science API ExpandedHEALTHY88
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms737787
P95 · ms15701985
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

UUID Generator API vs Web of Science API Expanded: common questions

Which is more reliable, UUID Generator API or Web of Science API Expanded?

On our scheduled checks, UUID Generator API leads on measured uptime — UUID Generator API at 100% 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, UUID Generator API or Web of Science API Expanded?

UUID Generator API has the lower median latency in our checks — UUID Generator API responds in 737 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 UUID Generator API and Web of Science API Expanded need an API key?

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

Can I call UUID Generator API and Web of Science API Expanded from the browser?

Neither sends browser-friendly CORS headers reliably, so call UUID Generator API and Web of Science API Expanded from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are UUID Generator API and Web of Science API Expanded free for commercial use?

UUID Generator API 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.