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BdAPIs vs PostcodeData.nl

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

APIBdAPIsHEALTHY89PostcodeData.nlHEALTHY91
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms817692
P95 · ms12501989
Authnonenone
CORSyesyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree, no API keyFree — limits not published
Rate limit100 req/window · 98 remaining · resets 324Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

BdAPIs vs PostcodeData.nl: common questions

Which is more reliable, BdAPIs or PostcodeData.nl?

Both are neck-and-neck — BdAPIs and PostcodeData.nl each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, BdAPIs or PostcodeData.nl?

PostcodeData.nl has the lower median latency in our checks — BdAPIs responds in 817 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 BdAPIs and PostcodeData.nl need an API key?

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

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

BdAPIs 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.