Etsy vs MarketAux
Same instrument, two spec sheets — measured, not claimed.
Etsy vs MarketAux: common questions
Which is more reliable, Etsy or MarketAux?
Both are neck-and-neck — Etsy and MarketAux each measure 0.0% 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.
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?
Only Etsy is browser-friendly — it returns CORS headers over HTTPS. MarketAux needs a server-side call or proxy, so factor that into which one fits a front-end project.
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.