airportsapi vs AZ511
Same instrument, two spec sheets — measured, not claimed.
airportsapi vs AZ511: common questions
Which is more reliable, airportsapi or AZ511?
On our scheduled checks, AZ511 leads on measured uptime — airportsapi at 88.2% versus AZ511 at 95.1% 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, airportsapi or AZ511?
airportsapi has the lower median latency in our checks — airportsapi responds in 821 ms versus AZ511 at 2272 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 airportsapi and AZ511 need an API key?
airportsapi needs no key, while AZ511 requires a free API key. If you want to start calling without signup, reach for airportsapi first.
Can I call airportsapi and AZ511 from the browser?
Only airportsapi 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 airportsapi and AZ511 free for commercial use?
airportsapi has unclear commercial terms, and AZ511 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.