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?
On our scheduled checks, xeno-canto leads on measured uptime — MeowFacts at —% versus xeno-canto at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
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.