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FakeStoreAPI vs RSQ API

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

APIFakeStoreAPIHEALTHY94RSQ APIHEALTHY91
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms369783
P95 · ms23051387
Authnonenone
CORSyesyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

FakeStoreAPI vs RSQ API: common questions

Which is more reliable, FakeStoreAPI or RSQ API?

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

FakeStoreAPI has the lower median latency in our checks — FakeStoreAPI responds in 369 ms versus RSQ API at 783 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 FakeStoreAPI and RSQ API need an API key?

Neither needs a paid key — FakeStoreAPI 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 FakeStoreAPI and RSQ API from the browser?

Only FakeStoreAPI 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 FakeStoreAPI and RSQ API free for commercial use?

FakeStoreAPI 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.