7Timer! vs DFlight API
Same instrument, two spec sheets — measured, not claimed.
7Timer! vs DFlight API: common questions
Which is more reliable, 7Timer! or DFlight API?
On our scheduled checks, DFlight API leads on measured uptime — 7Timer! at —% versus DFlight API 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 7Timer! and DFlight API need an API key?
Neither needs a paid key — 7Timer! is callable with no signup, and DFlight API is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call 7Timer! and DFlight API from the browser?
Only DFlight API is browser-friendly — it returns CORS headers over HTTPS. 7Timer! needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are 7Timer! and DFlight API free for commercial use?
7Timer! has unclear commercial terms, and DFlight API 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.