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