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Mockaroo vs OnSched Consumer API

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

APIMockarooREACHABLE—OnSched Consumer APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Mockaroo vs OnSched Consumer API: common questions

Which is more reliable, Mockaroo or OnSched Consumer API?

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

Both ask you to authenticate — Mockaroo uses an API key and OnSched Consumer API uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Mockaroo and OnSched Consumer API from the browser?

Yes — both Mockaroo and OnSched Consumer API 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 Mockaroo and OnSched Consumer API free for commercial use?

Mockaroo has unclear commercial terms, and OnSched Consumer 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.