JSONPlaceholder vs Mockaroo
Same instrument, two spec sheets — measured, not claimed.
JSONPlaceholder vs Mockaroo: common questions
Which is more reliable, JSONPlaceholder or Mockaroo?
On our scheduled checks, Mockaroo leads on measured uptime — JSONPlaceholder 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 JSONPlaceholder and Mockaroo need an API key?
JSONPlaceholder needs no key, while Mockaroo requires a free API key. If you want to start calling without signup, reach for JSONPlaceholder first.
Can I call JSONPlaceholder and Mockaroo from the browser?
Yes — both JSONPlaceholder 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 JSONPlaceholder and Mockaroo free for commercial use?
JSONPlaceholder 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.