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Extinct Animals API vs xeno-canto

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

APIExtinct Animals APINEW—xeno-cantoNEW—
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 limit100 req/window · 99 remaining · resets 1783518309Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Extinct Animals API vs xeno-canto: common questions

Which is more reliable, Extinct Animals API or xeno-canto?

On our scheduled checks, xeno-canto leads on measured uptime — Extinct Animals API at —% versus xeno-canto 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 Extinct Animals API and xeno-canto need an API key?

Neither needs a paid key — Extinct Animals API is callable with no signup, and xeno-canto is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Extinct Animals API and xeno-canto from the browser?

Yes — both Extinct Animals API and xeno-canto 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 Extinct Animals API and xeno-canto free for commercial use?

Extinct Animals API has unclear commercial terms, and xeno-canto 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.