PaperClean vs Zube
Same instrument, two spec sheets — measured, not claimed.
PaperClean vs Zube: common questions
Which is more reliable, PaperClean or Zube?
Both are neck-and-neck — PaperClean and Zube 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 PaperClean and Zube need an API key?
Both ask you to authenticate — PaperClean uses an API key and Zube 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 PaperClean and Zube from the browser?
Only PaperClean is browser-friendly — it returns CORS headers over HTTPS. Zube needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are PaperClean and Zube free for commercial use?
PaperClean has unclear commercial terms, and Zube 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.