Namedays Calendar vs Webex

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

Uptime · 30d
Uptime · 90d91.2%99.02%
Uptime · 30d85.0%100%
P50 · ms480593
P95 · ms27491266
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limit60 req/window · 58 remainingUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Namedays Calendar vs Webex: common questions

Which is more reliable, Namedays Calendar or Webex?

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

Namedays Calendar has the lower median latency in our checks — Namedays Calendar responds in 480 ms versus Webex at 593 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 Namedays Calendar and Webex need an API key?

Namedays Calendar needs no key, while Webex requires a free API key. If you want to start calling without signup, reach for Namedays Calendar first.

Can I call Namedays Calendar and Webex from the browser?

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

Are Namedays Calendar and Webex free for commercial use?

Namedays Calendar has unclear commercial terms, and Webex 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.