RandomFox vs RescueGroups

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

Uptime · 30d
Uptime · 90d97.1%97.1%
Uptime · 30d96.7%98.3%
P50 · ms672700
P95 · ms22242516
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

RandomFox vs RescueGroups: common questions

Which is more reliable, RandomFox or RescueGroups?

Both are neck-and-neck — RandomFox and RescueGroups each measure 97.1% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, RandomFox or RescueGroups?

RandomFox has the lower median latency in our checks — RandomFox responds in 672 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 RandomFox and RescueGroups need an API key?

Neither needs a paid key — RandomFox 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 RandomFox and RescueGroups from the browser?

Only RandomFox 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 RandomFox and RescueGroups free for commercial use?

RandomFox 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.