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DummyJSON vs UUID Generator

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

APIDummyJSONNEW—UUID GeneratorNEW—
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 178351024360 req/window · 59 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

DummyJSON vs UUID Generator: common questions

Which is more reliable, DummyJSON or UUID Generator?

On our scheduled checks, UUID Generator leads on measured uptime — DummyJSON at —% versus UUID Generator 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 UUID Generator need an API key?

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

Can I call DummyJSON and UUID Generator from the browser?

Yes — both DummyJSON and UUID Generator 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 UUID Generator free for commercial use?

DummyJSON has unclear commercial terms, and UUID Generator 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.