The Calendar vs The Colony
Same instrument, two spec sheets — measured, not claimed.
The Calendar vs The Colony: common questions
Which is more reliable, The Calendar or The Colony?
On our scheduled checks, The Colony leads on measured uptime — The Calendar at —% versus The Colony 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 The Colony need an API key?
The Calendar needs no key, while The Colony requires a free API key. If you want to start calling without signup, reach for The Calendar first.
Can I call The Calendar and The Colony from the browser?
Only The Calendar is browser-friendly — it returns CORS headers over HTTPS. The Colony needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are The Calendar and The Colony free for commercial use?
The Calendar has unclear commercial terms, and The Colony 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.