DFlight API vs NDBC Buoy Data API
Same instrument, two spec sheets — measured, not claimed.
DFlight API vs NDBC Buoy Data API: common questions
Which is more reliable, DFlight API or NDBC Buoy Data API?
On our scheduled checks, NDBC Buoy Data API leads on measured uptime — DFlight API at 11.8% versus NDBC Buoy Data API at 84.3% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, DFlight API or NDBC Buoy Data API?
DFlight API has the lower median latency in our checks — DFlight API responds in 319 ms versus NDBC Buoy Data API at 575 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do DFlight API and NDBC Buoy Data API need an API key?
Neither needs a paid key — DFlight API is callable with no signup, and NDBC Buoy Data API is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call DFlight API and NDBC Buoy Data API from the browser?
Neither sends browser-friendly CORS headers reliably, so call DFlight API and NDBC Buoy Data API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are DFlight API and NDBC Buoy Data API free for commercial use?
DFlight API has unclear commercial terms, and NDBC Buoy Data 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.