Kroki vs ScreenshotOne.com

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%100%
P50 · ms633340
P95 · ms3183843
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Kroki vs ScreenshotOne.com: common questions

Which is more reliable, Kroki or ScreenshotOne.com?

On our scheduled checks, Kroki leads on measured uptime — Kroki at 100% versus ScreenshotOne.com at 99.02% 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 ScreenshotOne.com?

ScreenshotOne.com has the lower median latency in our checks — Kroki responds in 633 ms versus ScreenshotOne.com at 340 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 ScreenshotOne.com need an API key?

Kroki needs no key, while ScreenshotOne.com requires a free API key. If you want to start calling without signup, reach for Kroki first.

Can I call Kroki and ScreenshotOne.com from the browser?

Yes — both Kroki and ScreenshotOne.com 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 ScreenshotOne.com free for commercial use?

Kroki has unclear commercial terms, and ScreenshotOne.com 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.