Catchdoms Security API vs Kroki
Same instrument, two spec sheets — measured, not claimed.
Catchdoms Security API vs Kroki: common questions
Which is more reliable, Catchdoms Security API or Kroki?
Both are neck-and-neck — Catchdoms Security API and Kroki 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, Catchdoms Security API or Kroki?
Catchdoms Security API has the lower median latency in our checks — Catchdoms Security API responds in 437 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 Catchdoms Security API and Kroki need an API key?
Neither needs a paid key — Catchdoms Security API 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 Catchdoms Security API and Kroki from the browser?
Only Kroki is browser-friendly — it returns CORS headers over HTTPS. Catchdoms Security API needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Catchdoms Security API and Kroki free for commercial use?
Catchdoms Security API 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.