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PostalPinCode vs Transport for The Netherlands

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

APIPostalPinCodeNEW—Transport for The NetherlandsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

PostalPinCode vs Transport for The Netherlands: common questions

Which is more reliable, PostalPinCode or Transport for The Netherlands?

On our scheduled checks, Transport for The Netherlands leads on measured uptime — PostalPinCode at —% versus Transport for The Netherlands 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 PostalPinCode and Transport for The Netherlands need an API key?

Neither needs a paid key — PostalPinCode is callable with no signup, and Transport for The Netherlands is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call PostalPinCode and Transport for The Netherlands from the browser?

Only PostalPinCode is browser-friendly — it returns CORS headers over HTTPS. Transport for The Netherlands needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are PostalPinCode and Transport for The Netherlands free for commercial use?

PostalPinCode has unclear commercial terms, and Transport for The Netherlands 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.