Cataas vs MeowFacts

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms601576
P95 · ms23573055
Authnonenone
CORSyesyes
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

Cataas vs MeowFacts: common questions

Which is more reliable, Cataas or MeowFacts?

Both are neck-and-neck — Cataas and MeowFacts each measure 100% 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, Cataas or MeowFacts?

MeowFacts has the lower median latency in our checks — Cataas responds in 601 ms versus MeowFacts at 576 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 Cataas and MeowFacts need an API key?

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

Can I call Cataas and MeowFacts from the browser?

Yes — both Cataas and MeowFacts 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 Cataas and MeowFacts free for commercial use?

Cataas has unclear commercial terms, and MeowFacts 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.