Grass Touch API vs The Calendar
Same instrument, two spec sheets — measured, not claimed.
Grass Touch API vs The Calendar: common questions
Which is more reliable, Grass Touch API or The Calendar?
On our scheduled checks, The Calendar leads on measured uptime — Grass Touch API 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 Grass Touch API and The Calendar need an API key?
Neither needs a paid key — Grass Touch API 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 Grass Touch API and The Calendar from the browser?
Only The Calendar is browser-friendly — it returns CORS headers over HTTPS. Grass Touch API needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Grass Touch API and The Calendar free for commercial use?
Grass Touch API 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.