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AZ511 vs CarVector

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

APIAZ511NEW—CarVectorNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

AZ511 vs CarVector: common questions

Which is more reliable, AZ511 or CarVector?

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

Both ask you to authenticate — AZ511 uses an API key and CarVector uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call AZ511 and CarVector from the browser?

Neither sends browser-friendly CORS headers reliably, so call AZ511 and CarVector from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are AZ511 and CarVector free for commercial use?

AZ511 has unclear commercial terms, and CarVector 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.