MeowFacts vs xeno-canto
Same instrument, two spec sheets — measured, not claimed.
MeowFacts vs xeno-canto: common questions
Which is more reliable, MeowFacts or xeno-canto?
Both are neck-and-neck — MeowFacts 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, MeowFacts or xeno-canto?
MeowFacts has the lower median latency in our checks — MeowFacts responds in 576 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 MeowFacts and xeno-canto need an API key?
Neither needs a paid key — MeowFacts 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 MeowFacts and xeno-canto from the browser?
Yes — both MeowFacts 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 MeowFacts and xeno-canto free for commercial use?
MeowFacts has unclear commercial terms, 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.