Cataas vs Open Dog Registry
Same instrument, two spec sheets — measured, not claimed.
Cataas vs Open Dog Registry: common questions
Which is more reliable, Cataas or Open Dog Registry?
On our scheduled checks, Open Dog Registry leads on measured uptime — Cataas at —% versus Open Dog Registry 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 Open Dog Registry need an API key?
Cataas needs no key, while Open Dog Registry requires a free API key. If you want to start calling without signup, reach for Cataas first.
Can I call Cataas and Open Dog Registry from the browser?
Yes — both Cataas and Open Dog Registry 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 Open Dog Registry free for commercial use?
Cataas has unclear commercial terms, and Open Dog Registry 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.