Extinct Animals API vs RescueGroups

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

Uptime · 30d
Uptime · 90d100%97.1%
Uptime · 30d100%98.3%
P50 · ms566700
P95 · ms10232516
Authnonenone
CORSyesno
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 RescueGroups: common questions

Which is more reliable, Extinct Animals API or RescueGroups?

On our scheduled checks, Extinct Animals API leads on measured uptime — Extinct Animals API at 100% versus RescueGroups at 97.1% 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, Extinct Animals API or RescueGroups?

Extinct Animals API has the lower median latency in our checks — Extinct Animals API responds in 566 ms versus RescueGroups at 700 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 Extinct Animals API and RescueGroups need an API key?

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

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

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

Are Extinct Animals API and RescueGroups free for commercial use?

Extinct Animals API has unclear commercial terms, and RescueGroups 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.