ListLoco API vs OpenQR
Same instrument, two spec sheets — measured, not claimed.
ListLoco API vs OpenQR: common questions
Which is more reliable, ListLoco API or OpenQR?
On our scheduled checks, OpenQR leads on measured uptime — ListLoco API at —% versus OpenQR 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 OpenQR need an API key?
ListLoco API needs no key, while OpenQR requires a free API key. If you want to start calling without signup, reach for ListLoco API first.
Can I call ListLoco API and OpenQR from the browser?
Only OpenQR 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 OpenQR free for commercial use?
ListLoco API has unclear commercial terms, and OpenQR 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.