Cataas vs RandomDog
Same instrument, two spec sheets — measured, not claimed.
Cataas vs RandomDog: common questions
Which is more reliable, Cataas or RandomDog?
On our scheduled checks, RandomDog leads on measured uptime — Cataas 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 Cataas and RandomDog need an API key?
Neither needs a paid key — Cataas 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 Cataas and RandomDog from the browser?
Yes — both Cataas 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 Cataas and RandomDog free for commercial use?
Cataas 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.