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Cat Facts vs PlaceDog

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

APICat FactsNEW—PlaceDogNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
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 PlaceDog: common questions

Which is more reliable, Cat Facts or PlaceDog?

On our scheduled checks, PlaceDog leads on measured uptime — Cat Facts at —% versus PlaceDog at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Cat Facts and PlaceDog need an API key?

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

Can I call Cat Facts and PlaceDog from the browser?

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

Are Cat Facts and PlaceDog free for commercial use?

Cat Facts has unclear commercial terms, and PlaceDog 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.