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Dog Facts (kinduff) vs Extinct Animals API

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

APIDog Facts (kinduff)DYING86Extinct Animals APIHEALTHY94
Uptime · 30d
Uptime · 90d89.2%100%
Uptime · 30d81.7%100%
P50 · ms683566
P95 · ms11461023
Authnonenone
CORSnoyes
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 89.2% versus Extinct Animals API at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

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

Extinct Animals API has the lower median latency in our checks — Dog Facts (kinduff) responds in 683 ms versus Extinct Animals API at 566 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

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?

Only Extinct Animals API is browser-friendly — it returns CORS headers over HTTPS. Dog Facts (kinduff) needs a server-side call or proxy, so factor that into which one fits a front-end project.

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.