AZ511 vs Apimetro

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

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 key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

AZ511 vs Apimetro: common questions

Which is more reliable, AZ511 or Apimetro?

On our scheduled checks, Apimetro leads on measured uptime — AZ511 at —% versus Apimetro 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 AZ511 and Apimetro need an API key?

Apimetro needs no key, while AZ511 requires a free API key. If you want to start calling without signup, reach for Apimetro first.

Can I call AZ511 and Apimetro from the browser?

Only Apimetro is browser-friendly — it returns CORS headers over HTTPS. AZ511 needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are AZ511 and Apimetro free for commercial use?

AZ511 has unclear commercial terms, and Apimetro 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.