GrünstromIndex vs Luchtmeetnet

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree under fair-use policyFree — no API key
Rate limitFair-use (paid tiers for higher limits)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

GrünstromIndex vs Luchtmeetnet: common questions

Which is more reliable, GrünstromIndex or Luchtmeetnet?

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

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

Can I call GrünstromIndex and Luchtmeetnet from the browser?

Yes — both GrünstromIndex and Luchtmeetnet send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are GrünstromIndex and Luchtmeetnet free for commercial use?

GrünstromIndex has unclear commercial terms, and Luchtmeetnet 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.