Dog CEO vs Open Dog Registry
Same instrument, two spec sheets — measured, not claimed.
Dog CEO vs Open Dog Registry: common questions
Which is more reliable, Dog CEO or Open Dog Registry?
On our scheduled checks, Dog CEO leads on measured uptime — Dog CEO at 100% versus Open Dog Registry at 41.2% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, Dog CEO or Open Dog Registry?
Dog CEO has the lower median latency in our checks — Dog CEO responds in 245 ms versus Open Dog Registry at 2963 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 Dog CEO and Open Dog Registry need an API key?
Dog CEO needs no key, while Open Dog Registry requires a free API key. If you want to start calling without signup, reach for Dog CEO first.
Can I call Dog CEO and Open Dog Registry from the browser?
Only Dog CEO is browser-friendly — it returns CORS headers over HTTPS. Open Dog Registry needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Dog CEO and Open Dog Registry free for commercial use?
Dog CEO allows commercial use on its free tier, 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.