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Alan Perlis Quotes vs Keen IO

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

APIAlan Perlis QuotesNEW—Keen IONEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Alan Perlis Quotes vs Keen IO: common questions

Which is more reliable, Alan Perlis Quotes or Keen IO?

On our scheduled checks, Keen IO leads on measured uptime — Alan Perlis Quotes at —% versus Keen IO 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 Keen IO need an API key?

Alan Perlis Quotes needs no key, while Keen IO requires a free API key. If you want to start calling without signup, reach for Alan Perlis Quotes first.

Can I call Alan Perlis Quotes and Keen IO from the browser?

Only Alan Perlis Quotes is browser-friendly — it returns CORS headers over HTTPS. Keen IO needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Alan Perlis Quotes and Keen IO free for commercial use?

Alan Perlis Quotes has unclear commercial terms, and Keen IO 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.