DummyJSON vs Passantenfrequenzen Zürich
Same instrument, two spec sheets — measured, not claimed.
DummyJSON vs Passantenfrequenzen Zürich: common questions
Which is more reliable, DummyJSON or Passantenfrequenzen Zürich?
On our scheduled checks, Passantenfrequenzen Zürich leads on measured uptime — DummyJSON at 99.02% versus Passantenfrequenzen Zürich 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, DummyJSON or Passantenfrequenzen Zürich?
DummyJSON has the lower median latency in our checks — DummyJSON responds in 32 ms versus Passantenfrequenzen Zürich at 569 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 DummyJSON and Passantenfrequenzen Zürich need an API key?
Neither needs a paid key — DummyJSON is callable with no signup, and Passantenfrequenzen Zürich is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call DummyJSON and Passantenfrequenzen Zürich from the browser?
Yes — both DummyJSON and Passantenfrequenzen Zürich send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are DummyJSON and Passantenfrequenzen Zürich free for commercial use?
DummyJSON has unclear commercial terms, and Passantenfrequenzen Zürich 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.