Dog CEO vs xeno-canto

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms245752
P95 · ms42881457
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseStanford Dogs datasetUnverified
Free tierUnlimitedFree — limits not published
Rate limitNone publishedUnpublished
In directory since2026-05-022026-07-05
operationalpartialdownno data

Dog CEO vs xeno-canto: common questions

Which is more reliable, Dog CEO or xeno-canto?

Both are neck-and-neck — Dog CEO and xeno-canto each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Dog CEO or xeno-canto?

Dog CEO has the lower median latency in our checks — Dog CEO responds in 245 ms versus xeno-canto at 752 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 xeno-canto need an API key?

Neither needs a paid key — Dog CEO is callable with no signup, and xeno-canto is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Dog CEO and xeno-canto from the browser?

Yes — both Dog CEO and xeno-canto 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 Dog CEO and xeno-canto free for commercial use?

Dog CEO allows commercial use on its free tier, and xeno-canto 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.