Passantenfrequenzen Zürich vs Vector Express v2.0

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms569613
P95 · ms12281662
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree
Rate limitUnpublished5 req/window · 4 remaining · resets 1783513379
In directory since2026-07-052026-07-05
operationalpartialdownno data

Passantenfrequenzen Zürich vs Vector Express v2.0: common questions

Which is more reliable, Passantenfrequenzen Zürich or Vector Express v2.0?

Both are neck-and-neck — Passantenfrequenzen Zürich and Vector Express v2.0 each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Passantenfrequenzen Zürich or Vector Express v2.0?

Passantenfrequenzen Zürich has the lower median latency in our checks — Passantenfrequenzen Zürich responds in 569 ms versus Vector Express v2.0 at 613 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 Passantenfrequenzen Zürich and Vector Express v2.0 need an API key?

Neither needs a paid key — Passantenfrequenzen Zürich is callable with no signup, and Vector Express v2.0 is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Passantenfrequenzen Zürich and Vector Express v2.0 from the browser?

Only Passantenfrequenzen Zürich is browser-friendly — it returns CORS headers over HTTPS. Vector Express v2.0 needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Passantenfrequenzen Zürich and Vector Express v2.0 free for commercial use?

Passantenfrequenzen Zürich has unclear commercial terms, and Vector Express v2.0 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.