Disify vs Namedays Calendar

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

Uptime · 30d
Uptime · 90d42.2%91.2%
Uptime · 30d28.3%85.0%
P50 · ms1075480
P95 · ms16792749
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limit30 req/window · 21 remaining60 req/window · 58 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

Disify vs Namedays Calendar: common questions

Which is more reliable, Disify or Namedays Calendar?

On our scheduled checks, Namedays Calendar leads on measured uptime — Disify at 42.2% versus Namedays Calendar at 91.2% 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 Namedays Calendar?

Namedays Calendar has the lower median latency in our checks — Disify responds in 1075 ms versus Namedays Calendar at 480 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 Namedays Calendar need an API key?

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

Can I call Disify and Namedays Calendar from the browser?

Neither sends browser-friendly CORS headers reliably, so call Disify and Namedays Calendar from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Disify and Namedays Calendar free for commercial use?

Disify has unclear commercial terms, and Namedays Calendar 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.