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inspirehep.net vs USPTO

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

APIinspirehep.netNEW—USPTONEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

inspirehep.net vs USPTO: common questions

Which is more reliable, inspirehep.net or USPTO?

On our scheduled checks, USPTO leads on measured uptime — inspirehep.net at —% versus USPTO 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 inspirehep.net and USPTO need an API key?

Neither needs a paid key — inspirehep.net is callable with no signup, and USPTO is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call inspirehep.net and USPTO from the browser?

Only inspirehep.net is browser-friendly — it returns CORS headers over HTTPS. USPTO needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are inspirehep.net and USPTO free for commercial use?

inspirehep.net has unclear commercial terms, and USPTO 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.