NPPES vs Open Data NHS Scotland
Same instrument, two spec sheets — measured, not claimed.
NPPES vs Open Data NHS Scotland: common questions
Which is more reliable, NPPES or Open Data NHS Scotland?
On our scheduled checks, Open Data NHS Scotland leads on measured uptime — NPPES at —% versus Open Data NHS Scotland 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 NPPES and Open Data NHS Scotland need an API key?
Neither needs a paid key — NPPES is callable with no signup, and Open Data NHS Scotland is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call NPPES and Open Data NHS Scotland from the browser?
Neither sends browser-friendly CORS headers reliably, so call NPPES and Open Data NHS Scotland from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are NPPES and Open Data NHS Scotland free for commercial use?
NPPES allows commercial use on its free tier, and Open Data NHS Scotland allows commercial use on its free tier. 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.