Cat Facts vs RandomFox

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

Uptime · 30d
Uptime · 90d99.02%97.1%
Uptime · 30d98.3%96.7%
P50 · ms259672
P95 · ms44642224
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limit100 req/window · 96 remainingUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Cat Facts vs RandomFox: common questions

Which is more reliable, Cat Facts or RandomFox?

On our scheduled checks, Cat Facts leads on measured uptime — Cat Facts at 99.02% versus RandomFox 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, Cat Facts or RandomFox?

Cat Facts has the lower median latency in our checks — Cat Facts responds in 259 ms versus RandomFox at 672 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 Cat Facts and RandomFox need an API key?

Neither needs a paid key — Cat Facts is callable with no signup, and RandomFox is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Cat Facts and RandomFox from the browser?

Yes — both Cat Facts and RandomFox 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 Cat Facts and RandomFox free for commercial use?

Cat Facts has unclear commercial terms, and RandomFox 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.