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Alan Perlis Quotes vs TensorFeed

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

APIAlan Perlis QuotesNEW—TensorFeedNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — no key (static JSON feed endpoints)
Rate limitUnpublished120 req/window · 119 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

Alan Perlis Quotes vs TensorFeed: common questions

Which is more reliable, Alan Perlis Quotes or TensorFeed?

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

Neither needs a paid key — Alan Perlis Quotes is callable with no signup, and TensorFeed is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Alan Perlis Quotes and TensorFeed from the browser?

Yes — both Alan Perlis Quotes and TensorFeed send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Alan Perlis Quotes and TensorFeed free for commercial use?

Alan Perlis Quotes has unclear commercial terms, and TensorFeed 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.