Kickbox vs The Calendar
Same instrument, two spec sheets — measured, not claimed.
Kickbox vs The Calendar: common questions
Which is more reliable, Kickbox or The Calendar?
On our scheduled checks, The Calendar leads on measured uptime — Kickbox at —% versus The Calendar 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 Kickbox and The Calendar need an API key?
Neither needs a paid key — Kickbox is callable with no signup, and The Calendar is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Kickbox and The Calendar from the browser?
Yes — both Kickbox and The Calendar 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 Kickbox and The Calendar free for commercial use?
Kickbox has unclear commercial terms, and The 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.