Dog Facts (kinduff) vs Extinct Animals API

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublished100 req/window · 99 remaining · resets 1783518309
In directory since2026-07-052026-07-05
operationalpartialdownno data

Dog Facts (kinduff) vs Extinct Animals API: common questions

Which is more reliable, Dog Facts (kinduff) or Extinct Animals API?

On our scheduled checks, Extinct Animals API leads on measured uptime — Dog Facts (kinduff) at —% versus Extinct Animals API 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 Dog Facts (kinduff) and Extinct Animals API need an API key?

Neither needs a paid key — Dog Facts (kinduff) is callable with no signup, and Extinct Animals API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Dog Facts (kinduff) and Extinct Animals API from the browser?

Yes — both Dog Facts (kinduff) and Extinct Animals API 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 Dog Facts (kinduff) and Extinct Animals API free for commercial use?

Dog Facts (kinduff) has unclear commercial terms, and Extinct Animals API 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.