shipapis
StarSubmit an APISubmit API

Aare.guru API vs AQICN

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

APIAare.guru APIHEALTHY88AQICNREACHABLE100
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms1025224
P95 · ms2993665
AuthnoneapiKey
CORSyesyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Aare.guru API vs AQICN: common questions

Which is more reliable, Aare.guru API or AQICN?

Both are neck-and-neck — Aare.guru API and AQICN 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, Aare.guru API or AQICN?

AQICN has the lower median latency in our checks — Aare.guru API responds in 1025 ms versus AQICN at 224 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 Aare.guru API and AQICN need an API key?

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

Can I call Aare.guru API and AQICN from the browser?

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

Are Aare.guru API and AQICN free for commercial use?

Aare.guru API has unclear commercial terms, and AQICN 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.