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Voidly vs Web of Science API Expanded

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

APIVoidlyHEALTHY78Web of Science API ExpandedHEALTHY88
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms1238787
P95 · ms38941985
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseCC BY 4.0Unverified
Free tierFree (keyless data endpoints; Hydra ML endpoints need a key)Free tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Voidly vs Web of Science API Expanded: common questions

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

On our scheduled checks, Voidly leads on measured uptime — Voidly 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, Voidly or Web of Science API Expanded?

Web of Science API Expanded has the lower median latency in our checks — Voidly responds in 1238 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 Voidly and Web of Science API Expanded need an API key?

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

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

Only Voidly 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 Voidly and Web of Science API Expanded free for commercial use?

Voidly allows commercial use on its free tier, 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.