DownStatus vs Kroki

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

Uptime · 30d
Uptime · 90d60.8%100%
Uptime · 30d33.3%100%
P50 · ms589633
P95 · ms12953183
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no API key (per docs)Free — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

DownStatus vs Kroki: common questions

Which is more reliable, DownStatus or Kroki?

On our scheduled checks, Kroki leads on measured uptime — DownStatus at 60.8% versus Kroki at 100% 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, DownStatus or Kroki?

DownStatus has the lower median latency in our checks — DownStatus responds in 589 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 DownStatus and Kroki need an API key?

Neither needs a paid key — DownStatus 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 DownStatus and Kroki from the browser?

Only Kroki is browser-friendly — it returns CORS headers over HTTPS. DownStatus needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are DownStatus and Kroki free for commercial use?

DownStatus 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.