IPGEO vs PostcodeData.nl
Same instrument, two spec sheets — measured, not claimed.
IPGEO vs PostcodeData.nl: common questions
Which is more reliable, IPGEO or PostcodeData.nl?
On our scheduled checks, PostcodeData.nl leads on measured uptime — IPGEO at 99.02% versus PostcodeData.nl 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, IPGEO or PostcodeData.nl?
IPGEO has the lower median latency in our checks — IPGEO responds in 266 ms versus PostcodeData.nl at 692 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 IPGEO and PostcodeData.nl need an API key?
Neither needs a paid key — IPGEO is callable with no signup, and PostcodeData.nl is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call IPGEO and PostcodeData.nl from the browser?
Only IPGEO is browser-friendly — it returns CORS headers over HTTPS. PostcodeData.nl needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are IPGEO and PostcodeData.nl free for commercial use?
IPGEO has unclear commercial terms, and PostcodeData.nl 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.