The Calendar vs Webex
Same instrument, two spec sheets — measured, not claimed.
The Calendar vs Webex: common questions
Which is more reliable, The Calendar or Webex?
On our scheduled checks, Webex leads on measured uptime — The Calendar at —% versus Webex 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 The Calendar and Webex need an API key?
The Calendar needs no key, while Webex requires a free API key. If you want to start calling without signup, reach for The Calendar first.
Can I call The Calendar and Webex from the browser?
Yes — both The Calendar and Webex 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 The Calendar and Webex free for commercial use?
The 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.