Passantenfrequenzen Zürich vs User Agent Lookup API
Same instrument, two spec sheets — measured, not claimed.
Passantenfrequenzen Zürich vs User Agent Lookup API: common questions
Which is more reliable, Passantenfrequenzen Zürich or User Agent Lookup API?
On our scheduled checks, User Agent Lookup API leads on measured uptime — Passantenfrequenzen Zürich at —% versus User Agent Lookup API 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 Passantenfrequenzen Zürich and User Agent Lookup API need an API key?
Neither needs a paid key — Passantenfrequenzen Zürich is callable with no signup, and User Agent Lookup API is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Passantenfrequenzen Zürich and User Agent Lookup API from the browser?
Only Passantenfrequenzen Zürich is browser-friendly — it returns CORS headers over HTTPS. User Agent Lookup API needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Passantenfrequenzen Zürich and User Agent Lookup API free for commercial use?
Passantenfrequenzen Zürich has unclear commercial terms, and User Agent Lookup API 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.