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DummyJSON vs RSQ API

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

APIDummyJSONHEALTHY100RSQ APIHEALTHY93
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms91172
P95 · ms19294248
Authnonenone
CORSyesyes
HTTPSyesno
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 RSQ API: common questions

Which is more reliable, DummyJSON or RSQ API?

Both are neck-and-neck — DummyJSON and RSQ API 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, DummyJSON or RSQ API?

DummyJSON has the lower median latency in our checks — DummyJSON responds in 91 ms versus RSQ API at 172 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 RSQ API need an API key?

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

Can I call DummyJSON and RSQ API from the browser?

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

Are DummyJSON and RSQ API free for commercial use?

DummyJSON has unclear commercial terms, and RSQ 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.