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Geocodify.com vs PostcodeData.nl

Same instrument, two spec sheets — measured, not claimed.

APIGeocodify.comREACHABLE—PostcodeData.nlNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Geocodify.com vs PostcodeData.nl: common questions

Which is more reliable, Geocodify.com or PostcodeData.nl?

On our scheduled checks, PostcodeData.nl leads on measured uptime — Geocodify.com at —% versus PostcodeData.nl 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 Geocodify.com and PostcodeData.nl need an API key?

PostcodeData.nl needs no key, while Geocodify.com requires a free API key. If you want to start calling without signup, reach for PostcodeData.nl first.

Can I call Geocodify.com and PostcodeData.nl from the browser?

Only Geocodify.com 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 Geocodify.com and PostcodeData.nl free for commercial use?

Geocodify.com 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.