DummyJSON vs Kroki
Same instrument, two spec sheets — measured, not claimed.
DummyJSON vs Kroki: common questions
Which is more reliable, DummyJSON or Kroki?
On our scheduled checks, Kroki leads on measured uptime — DummyJSON at 99.02% versus Kroki 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, DummyJSON or Kroki?
DummyJSON has the lower median latency in our checks — DummyJSON responds in 32 ms versus Kroki at 633 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 DummyJSON and Kroki need an API key?
Neither needs a paid key — DummyJSON is callable with no signup, and Kroki is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call DummyJSON and Kroki from the browser?
Yes — both DummyJSON and Kroki 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 DummyJSON and Kroki free for commercial use?
DummyJSON has unclear commercial terms, and Kroki 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.