Coffee vs OpenF1
Same instrument, two spec sheets — measured, not claimed.
Coffee vs OpenF1: common questions
Which is more reliable, Coffee or OpenF1?
On our scheduled checks, OpenF1 leads on measured uptime — Coffee at —% versus OpenF1 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 Coffee and OpenF1 need an API key?
Neither needs a paid key — Coffee is callable with no signup, and OpenF1 is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Coffee and OpenF1 from the browser?
Only OpenF1 is browser-friendly — it returns CORS headers over HTTPS. Coffee needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Coffee and OpenF1 free for commercial use?
Coffee has unclear commercial terms, and OpenF1 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.