Open Dog Registry vs RandomDog

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

Uptime · 30d
Uptime · 90d41.2%100%
Uptime · 30d6.7%100%
P50 · ms2963318
P95 · ms46372392
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Open Dog Registry vs RandomDog: common questions

Which is more reliable, Open Dog Registry or RandomDog?

On our scheduled checks, RandomDog leads on measured uptime — Open Dog Registry at 41.2% versus RandomDog at 100% 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, Open Dog Registry or RandomDog?

RandomDog has the lower median latency in our checks — Open Dog Registry responds in 2963 ms versus RandomDog at 318 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 Open Dog Registry and RandomDog need an API key?

RandomDog needs no key, while Open Dog Registry requires a free API key. If you want to start calling without signup, reach for RandomDog first.

Can I call Open Dog Registry and RandomDog from the browser?

Only RandomDog 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 Open Dog Registry and RandomDog free for commercial use?

Open Dog Registry 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.