NDBC Buoy Data API vs Weatherstack
Same instrument, two spec sheets — measured, not claimed.
NDBC Buoy Data API vs Weatherstack: common questions
Which is more reliable, NDBC Buoy Data API or Weatherstack?
On our scheduled checks, Weatherstack leads on measured uptime — NDBC Buoy Data API at 84.3% versus Weatherstack at 100% 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, NDBC Buoy Data API or Weatherstack?
Weatherstack has the lower median latency in our checks — NDBC Buoy Data API responds in 575 ms versus Weatherstack at 309 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 NDBC Buoy Data API and Weatherstack need an API key?
NDBC Buoy Data API needs no key, while Weatherstack requires a free API key. If you want to start calling without signup, reach for NDBC Buoy Data API first.
Can I call NDBC Buoy Data API and Weatherstack from the browser?
Neither sends browser-friendly CORS headers reliably, so call NDBC Buoy Data API and Weatherstack from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are NDBC Buoy Data API and Weatherstack free for commercial use?
NDBC Buoy Data API has unclear commercial terms, and Weatherstack 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.