Etsy vs MarketAux
Same instrument, two spec sheets — measured, not claimed.
Etsy vs MarketAux: common questions
Which is more reliable, Etsy or MarketAux?
On our scheduled checks, MarketAux leads on measured uptime — Etsy at —% versus MarketAux 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 Etsy and MarketAux need an API key?
Both ask you to authenticate — Etsy uses an API key and MarketAux uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.
Can I call Etsy and MarketAux from the browser?
Yes — both Etsy and MarketAux 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 Etsy and MarketAux free for commercial use?
Etsy has unclear commercial terms, and MarketAux 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.