Mockaroo vs npm Registry
Same instrument, two spec sheets — measured, not claimed.
Mockaroo vs npm Registry: common questions
Which is more reliable, Mockaroo or npm Registry?
Both are neck-and-neck — Mockaroo and npm Registry 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, Mockaroo or npm Registry?
npm Registry has the lower median latency in our checks — Mockaroo responds in 529 ms versus npm Registry at 243 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 Mockaroo and npm Registry need an API key?
npm Registry needs no key, while Mockaroo requires a free API key. If you want to start calling without signup, reach for npm Registry first.
Can I call Mockaroo and npm Registry from the browser?
Yes — both Mockaroo and npm Registry 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 npm Registry free for commercial use?
Mockaroo has unclear commercial terms, and npm Registry 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.