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DummyJSON vs Fake JSON API

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

APIDummyJSONNEW—Fake JSON APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no keyFree — limits not published
Rate limit100 req/window · 99 remaining · resets 1783510243Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

DummyJSON vs Fake JSON API: common questions

Which is more reliable, DummyJSON or Fake JSON API?

On our scheduled checks, Fake JSON API leads on measured uptime — DummyJSON at —% versus Fake JSON 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 DummyJSON and Fake JSON API need an API key?

Neither needs a paid key — DummyJSON is callable with no signup, and Fake JSON API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call DummyJSON and Fake JSON API from the browser?

Yes — both DummyJSON and Fake JSON API 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 Fake JSON API free for commercial use?

DummyJSON has unclear commercial terms, and Fake JSON 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.