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Luchtmeetnet vs Website Carbon

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

APILuchtmeetnetNEW—Website CarbonNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no API keyFree keyless byte-based /data endpoint
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Luchtmeetnet vs Website Carbon: common questions

Which is more reliable, Luchtmeetnet or Website Carbon?

On our scheduled checks, Website Carbon leads on measured uptime — Luchtmeetnet at —% versus Website Carbon 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 Luchtmeetnet and Website Carbon need an API key?

Neither needs a paid key — Luchtmeetnet is callable with no signup, and Website Carbon is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Luchtmeetnet and Website Carbon from the browser?

Only Luchtmeetnet is browser-friendly — it returns CORS headers over HTTPS. Website Carbon needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Luchtmeetnet and Website Carbon free for commercial use?

Luchtmeetnet has unclear commercial terms, and Website Carbon 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.