Kroki vs Yes No

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Kroki vs Yes No: common questions

Which is more reliable, Kroki or Yes No?

On our scheduled checks, Yes No leads on measured uptime — Kroki at —% versus Yes No at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Kroki and Yes No need an API key?

Neither needs a paid key — Kroki is callable with no signup, and Yes No is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Kroki and Yes No from the browser?

Yes — both Kroki and Yes No 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 Yes No free for commercial use?

Kroki has unclear commercial terms, and Yes No 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.