GeoApi vs OpenPLZ API
Same instrument, two spec sheets — measured, not claimed.
GeoApi vs OpenPLZ API: common questions
Which is more reliable, GeoApi or OpenPLZ API?
On our scheduled checks, OpenPLZ API leads on measured uptime — GeoApi 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 GeoApi and OpenPLZ API need an API key?
Neither needs a paid key — GeoApi is callable with no signup, and OpenPLZ API is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call GeoApi and OpenPLZ API from the browser?
Yes — both GeoApi and OpenPLZ API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are GeoApi and OpenPLZ API free for commercial use?
GeoApi allows commercial use on its free tier, 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.