IP2Location vs OpenPLZ API
Same instrument, two spec sheets — measured, not claimed.
IP2Location vs OpenPLZ API: common questions
Which is more reliable, IP2Location or OpenPLZ API?
On our scheduled checks, OpenPLZ API leads on measured uptime — IP2Location at —% versus OpenPLZ API 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 IP2Location and OpenPLZ API need an API key?
OpenPLZ API needs no key, while IP2Location requires a free API key. If you want to start calling without signup, reach for OpenPLZ API first.
Can I call IP2Location and OpenPLZ API from the browser?
Only OpenPLZ API is browser-friendly — it returns CORS headers over HTTPS. IP2Location needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are IP2Location and OpenPLZ API free for commercial use?
IP2Location has unclear commercial terms, and OpenPLZ API 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.