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Extinct Animals API vs iNaturalist

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

APIExtinct Animals APINEW—iNaturalistNEW—
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 iNaturalist: common questions

Which is more reliable, Extinct Animals API or iNaturalist?

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

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

Can I call Extinct Animals API and iNaturalist from the browser?

Yes — both Extinct Animals API and iNaturalist 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 iNaturalist free for commercial use?

Extinct Animals API has unclear commercial terms, and iNaturalist 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.