RandomFox vs RandomDog

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
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

RandomFox vs RandomDog: common questions

Which is more reliable, RandomFox or RandomDog?

On our scheduled checks, RandomDog leads on measured uptime — RandomFox at —% versus RandomDog 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 RandomFox and RandomDog need an API key?

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

Can I call RandomFox and RandomDog from the browser?

Yes — both RandomFox and RandomDog 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 RandomFox and RandomDog free for commercial use?

RandomFox has unclear commercial terms, and RandomDog 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.