DummyJSON vs Sheetsu
Same instrument, two spec sheets — measured, not claimed.
DummyJSON vs Sheetsu: common questions
Which is more reliable, DummyJSON or Sheetsu?
On our scheduled checks, Sheetsu leads on measured uptime — DummyJSON at 99.02% versus Sheetsu 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 Sheetsu?
DummyJSON has the lower median latency in our checks — DummyJSON responds in 32 ms versus Sheetsu at 572 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 Sheetsu need an API key?
DummyJSON needs no key, while Sheetsu requires a free API key. If you want to start calling without signup, reach for DummyJSON first.
Can I call DummyJSON and Sheetsu from the browser?
Yes — both DummyJSON and Sheetsu 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 Sheetsu free for commercial use?
DummyJSON has unclear commercial terms, and Sheetsu 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.