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Alan Perlis Quotes vs USPTO

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

APIAlan Perlis QuotesNEW—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

Alan Perlis Quotes vs USPTO: common questions

Which is more reliable, Alan Perlis Quotes or USPTO?

On our scheduled checks, USPTO leads on measured uptime — Alan Perlis Quotes 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 Alan Perlis Quotes and USPTO need an API key?

Neither needs a paid key — Alan Perlis Quotes 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 Alan Perlis Quotes and USPTO from the browser?

Only Alan Perlis Quotes 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 Alan Perlis Quotes and USPTO free for commercial use?

Alan Perlis Quotes 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.