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FakeStoreAPI vs ItsThisForThat

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

APIFakeStoreAPIHEALTHY94ItsThisForThatHEALTHY98
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms369242
P95 · ms2305555
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key requiredFree — limits not published
Rate limitUnpublishedUnpublished (docs ask you not to hammer it)
In directory since2026-07-052026-07-05
operationalpartialdownno data

FakeStoreAPI vs ItsThisForThat: common questions

Which is more reliable, FakeStoreAPI or ItsThisForThat?

Both are neck-and-neck — FakeStoreAPI and ItsThisForThat 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 ItsThisForThat?

ItsThisForThat has the lower median latency in our checks — FakeStoreAPI responds in 369 ms versus ItsThisForThat at 242 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 ItsThisForThat need an API key?

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

Can I call FakeStoreAPI and ItsThisForThat from the browser?

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

Are FakeStoreAPI and ItsThisForThat free for commercial use?

FakeStoreAPI has unclear commercial terms, and ItsThisForThat 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.