Dog Facts (kinduff) vs RandomDuck

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

Uptime · 30d
Uptime · 90d89.2%100%
Uptime · 30d81.7%100%
P50 · ms683459
P95 · ms1146836
Authnonenone
CORSnono
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

Dog Facts (kinduff) vs RandomDuck: common questions

Which is more reliable, Dog Facts (kinduff) or RandomDuck?

On our scheduled checks, RandomDuck leads on measured uptime — Dog Facts (kinduff) at 89.2% versus RandomDuck 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 RandomDuck?

RandomDuck has the lower median latency in our checks — Dog Facts (kinduff) responds in 683 ms versus RandomDuck at 459 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 RandomDuck need an API key?

Neither needs a paid key — Dog Facts (kinduff) is callable with no signup, and RandomDuck is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Dog Facts (kinduff) and RandomDuck from the browser?

Neither sends browser-friendly CORS headers reliably, so call Dog Facts (kinduff) and RandomDuck from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Dog Facts (kinduff) and RandomDuck free for commercial use?

Dog Facts (kinduff) has unclear commercial terms, and RandomDuck 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.