MeowFacts vs Open Dog Registry

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

Uptime · 30d
Uptime · 90d100%41.2%
Uptime · 30d100%6.7%
P50 · ms5762963
P95 · ms30554637
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

MeowFacts vs Open Dog Registry: common questions

Which is more reliable, MeowFacts or Open Dog Registry?

On our scheduled checks, MeowFacts leads on measured uptime — MeowFacts 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, MeowFacts or Open Dog Registry?

MeowFacts has the lower median latency in our checks — MeowFacts responds in 576 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 MeowFacts and Open Dog Registry need an API key?

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

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

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

MeowFacts 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.