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Open Dog Registry vs Dog CEO

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

APIOpen Dog RegistryUNMONITORED—Dog CEOHEALTHY—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedStanford Dogs dataset
Free tierFree tier — API key requiredUnlimited
Rate limitUnpublishedNone published
In directory since2026-07-052026-05-02
operationalpartialdownno data

Open Dog Registry vs Dog CEO: common questions

Which is more reliable, Open Dog Registry or Dog CEO?

Only Dog CEO is on our probe schedule so far (—% uptime over 90 days). The other is catalogued but not yet live-checked, so we can't compare measured reliability head-to-head — check the uncovered API's own status page for now.

Do Open Dog Registry and Dog CEO 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 Open Dog Registry and Dog CEO from the browser?

Yes — both Open Dog Registry and Dog CEO 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 Open Dog Registry and Dog CEO free for commercial use?

Open Dog Registry has unclear commercial terms, and Dog CEO allows commercial use on its free tier. 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.