Kroki vs Mockaroo
Same instrument, two spec sheets — measured, not claimed.
Kroki vs Mockaroo: common questions
Which is more reliable, Kroki or Mockaroo?
Both are neck-and-neck — Kroki and Mockaroo 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, Kroki or Mockaroo?
Mockaroo has the lower median latency in our checks — Kroki responds in 633 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 Kroki and Mockaroo need an API key?
Kroki needs no key, while Mockaroo requires a free API key. If you want to start calling without signup, reach for Kroki first.
Can I call Kroki and Mockaroo from the browser?
Yes — both Kroki 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 Kroki and Mockaroo free for commercial use?
Kroki 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.