Covid-19 Datenhub vs NPPES
Same instrument, two spec sheets — measured, not claimed.
Covid-19 Datenhub vs NPPES: common questions
Which is more reliable, Covid-19 Datenhub or NPPES?
Both are neck-and-neck — Covid-19 Datenhub and NPPES each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, Covid-19 Datenhub or NPPES?
Covid-19 Datenhub has the lower median latency in our checks — Covid-19 Datenhub responds in 789 ms versus NPPES at 910 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 Covid-19 Datenhub and NPPES need an API key?
Neither needs a paid key — Covid-19 Datenhub 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 Covid-19 Datenhub and NPPES from the browser?
Only Covid-19 Datenhub is browser-friendly — it returns CORS headers over HTTPS. NPPES needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Covid-19 Datenhub and NPPES free for commercial use?
Covid-19 Datenhub 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.