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AQICN vs Solematica

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

APIAQICNREACHABLE—SolematicaNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesno
HTTPSnoyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree public /providers endpoint; other endpoints need paid credits
Rate limitUnpublished100 req/window · 99 remaining · resets 900
In directory since2026-07-052026-07-05
operationalpartialdownno data

AQICN vs Solematica: common questions

Which is more reliable, AQICN or Solematica?

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

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

Can I call AQICN and Solematica from the browser?

Neither sends browser-friendly CORS headers reliably, so call AQICN and Solematica from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are AQICN and Solematica free for commercial use?

AQICN has unclear commercial terms, and Solematica 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.