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Passantenfrequenzen Zürich vs TotalShiftLeft Sandbox

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

APIPassantenfrequenzen ZürichHEALTHY92TotalShiftLeft SandboxHEALTHY95
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms569328
P95 · ms12281741
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — open sandbox, auth optional
Rate limitUnpublished100 req/window · 99 remaining · resets 60
In directory since2026-07-052026-07-05
operationalpartialdownno data

Passantenfrequenzen Zürich vs TotalShiftLeft Sandbox: common questions

Which is more reliable, Passantenfrequenzen Zürich or TotalShiftLeft Sandbox?

Both are neck-and-neck — Passantenfrequenzen Zürich and TotalShiftLeft Sandbox 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 TotalShiftLeft Sandbox?

TotalShiftLeft Sandbox has the lower median latency in our checks — Passantenfrequenzen Zürich responds in 569 ms versus TotalShiftLeft Sandbox at 328 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 TotalShiftLeft Sandbox need an API key?

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

Can I call Passantenfrequenzen Zürich and TotalShiftLeft Sandbox from the browser?

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

Are Passantenfrequenzen Zürich and TotalShiftLeft Sandbox free for commercial use?

Passantenfrequenzen Zürich has unclear commercial terms, and TotalShiftLeft Sandbox 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.