Kroki vs ParlayAPI
Same instrument, two spec sheets — measured, not claimed.
Kroki vs ParlayAPI: common questions
Which is more reliable, Kroki or ParlayAPI?
On our scheduled checks, Kroki leads on measured uptime — Kroki at 100% versus ParlayAPI at 87.5% 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 ParlayAPI?
ParlayAPI has the lower median latency in our checks — Kroki responds in 341 ms versus ParlayAPI at 211 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 ParlayAPI need an API key?
Kroki needs no key, while ParlayAPI requires a free API key. If you want to start calling without signup, reach for Kroki first.
Can I call Kroki and ParlayAPI from the browser?
Only Kroki is browser-friendly — it returns CORS headers over HTTPS. ParlayAPI needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Kroki and ParlayAPI free for commercial use?
Kroki has unclear commercial terms, and ParlayAPI 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.