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IBGE vs PostcodeData.nl

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

APIIBGENEW—PostcodeData.nlNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

IBGE vs PostcodeData.nl: common questions

Which is more reliable, IBGE or PostcodeData.nl?

On our scheduled checks, PostcodeData.nl leads on measured uptime — IBGE 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 IBGE and PostcodeData.nl need an API key?

Neither needs a paid key — IBGE 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 IBGE and PostcodeData.nl from the browser?

Only IBGE 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 IBGE and PostcodeData.nl free for commercial use?

IBGE 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.