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Open Dog Registry vs HTTP Dog

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

APIOpen Dog RegistryUNMONITORED—HTTP DogNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
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 HTTP Dog: common questions

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

Only HTTP Dog 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 HTTP Dog need an API key?

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

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

Only Open Dog Registry is browser-friendly — it returns CORS headers over HTTPS. HTTP Dog needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Open Dog Registry and HTTP Dog free for commercial use?

Open Dog Registry has unclear commercial terms, and HTTP Dog 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.