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Voidly vs Web of Science API Expanded

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

APIVoidlyNEW—Web of Science API ExpandedNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
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, Web of Science API Expanded leads on measured uptime — Voidly at —% versus Web of Science API Expanded at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

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.