Disify vs Kickbox

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

Uptime · 30d
Uptime · 90d42.2%100%
Uptime · 30d28.3%100%
P50 · ms1075592
P95 · ms16793630
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — open disposable-address check
Rate limit30 req/window · 21 remainingUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Disify vs Kickbox: common questions

Which is more reliable, Disify or Kickbox?

On our scheduled checks, Kickbox leads on measured uptime — Disify at 42.2% versus Kickbox 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, Disify or Kickbox?

Kickbox has the lower median latency in our checks — Disify responds in 1075 ms versus Kickbox at 592 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 Disify and Kickbox need an API key?

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

Can I call Disify and Kickbox from the browser?

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

Are Disify and Kickbox free for commercial use?

Disify has unclear commercial terms, and Kickbox 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.