ListLoco API vs PaperClean
Same instrument, two spec sheets — measured, not claimed.
ListLoco API vs PaperClean: common questions
Which is more reliable, ListLoco API or PaperClean?
On our scheduled checks, PaperClean leads on measured uptime — ListLoco API at —% versus PaperClean 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 ListLoco API and PaperClean need an API key?
ListLoco API needs no key, while PaperClean requires a free API key. If you want to start calling without signup, reach for ListLoco API first.
Can I call ListLoco API and PaperClean from the browser?
Only PaperClean is browser-friendly — it returns CORS headers over HTTPS. ListLoco API needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are ListLoco API and PaperClean free for commercial use?
ListLoco API has unclear commercial terms, and PaperClean 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.