OpenPLZ API vs positionstack
Same instrument, two spec sheets — measured, not claimed.
OpenPLZ API vs positionstack: common questions
Which is more reliable, OpenPLZ API or positionstack?
On our scheduled checks, positionstack leads on measured uptime — OpenPLZ API at 99.02% versus positionstack at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, OpenPLZ API or positionstack?
positionstack has the lower median latency in our checks — OpenPLZ API responds in 561 ms versus positionstack at 455 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do OpenPLZ API and positionstack need an API key?
OpenPLZ API needs no key, while positionstack requires a free API key. If you want to start calling without signup, reach for OpenPLZ API first.
Can I call OpenPLZ API and positionstack from the browser?
Only OpenPLZ API is browser-friendly — it returns CORS headers over HTTPS. positionstack needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are OpenPLZ API and positionstack free for commercial use?
OpenPLZ API has unclear commercial terms, and positionstack 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.