Kroki vs SampleAPIs
Same instrument, two spec sheets — measured, not claimed.
Kroki vs SampleAPIs: common questions
Which is more reliable, Kroki or SampleAPIs?
On our scheduled checks, Kroki leads on measured uptime — Kroki at 100% versus SampleAPIs at 99.44% 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, Kroki or SampleAPIs?
Kroki has the lower median latency in our checks — Kroki responds in 341 ms versus SampleAPIs at 347 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 SampleAPIs need an API key?
Neither needs a paid key — Kroki is callable with no signup, and SampleAPIs is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Kroki and SampleAPIs from the browser?
Yes — both Kroki and SampleAPIs 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 SampleAPIs free for commercial use?
Kroki has unclear commercial terms, and SampleAPIs 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.