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ItsThisForThat vs Mockaroo

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

APIItsThisForThatNEW—MockarooREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublished (docs ask you not to hammer it)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ItsThisForThat vs Mockaroo: common questions

Which is more reliable, ItsThisForThat or Mockaroo?

On our scheduled checks, Mockaroo leads on measured uptime — ItsThisForThat at —% versus Mockaroo 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 ItsThisForThat and Mockaroo need an API key?

ItsThisForThat needs no key, while Mockaroo requires a free API key. If you want to start calling without signup, reach for ItsThisForThat first.

Can I call ItsThisForThat and Mockaroo from the browser?

Only Mockaroo 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 ItsThisForThat and Mockaroo free for commercial use?

ItsThisForThat has unclear commercial terms, and Mockaroo 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.