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ColorfulClouds vs Luchtmeetnet

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

APIColorfulCloudsREACHABLE—LuchtmeetnetNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — no API key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ColorfulClouds vs Luchtmeetnet: common questions

Which is more reliable, ColorfulClouds or Luchtmeetnet?

On our scheduled checks, Luchtmeetnet leads on measured uptime — ColorfulClouds 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 ColorfulClouds and Luchtmeetnet need an API key?

Luchtmeetnet needs no key, while ColorfulClouds requires a free API key. If you want to start calling without signup, reach for Luchtmeetnet first.

Can I call ColorfulClouds and Luchtmeetnet from the browser?

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

Are ColorfulClouds and Luchtmeetnet free for commercial use?

ColorfulClouds 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.