Fake JSON API vs Mockaroo
Same instrument, two spec sheets — measured, not claimed.
Fake JSON API vs Mockaroo: common questions
Which is more reliable, Fake JSON API or Mockaroo?
On our scheduled checks, Mockaroo leads on measured uptime — Fake JSON API at 99.02% versus Mockaroo at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, Fake JSON API or Mockaroo?
Mockaroo has the lower median latency in our checks — Fake JSON API responds in 865 ms versus Mockaroo at 529 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 Fake JSON API and Mockaroo need an API key?
Fake JSON API needs no key, while Mockaroo requires a free API key. If you want to start calling without signup, reach for Fake JSON API first.
Can I call Fake JSON API and Mockaroo from the browser?
Yes — both Fake JSON API and Mockaroo 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 Fake JSON API and Mockaroo free for commercial use?
Fake JSON API 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.