AZ511 vs CarAPI
Same instrument, two spec sheets — measured, not claimed.
AZ511 vs CarAPI: common questions
Which is more reliable, AZ511 or CarAPI?
On our scheduled checks, CarAPI leads on measured uptime — AZ511 at 95.1% versus CarAPI at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, AZ511 or CarAPI?
CarAPI has the lower median latency in our checks — AZ511 responds in 2272 ms versus CarAPI at 1223 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 AZ511 and CarAPI need an API key?
Both ask you to authenticate — AZ511 uses an API key and CarAPI 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 CarAPI from the browser?
Neither sends browser-friendly CORS headers reliably, so call AZ511 and CarAPI 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 CarAPI free for commercial use?
AZ511 has unclear commercial terms, and CarAPI 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.