NPPES vs The Report of the Week
Same instrument, two spec sheets — measured, not claimed.
NPPES vs The Report of the Week: common questions
Which is more reliable, NPPES or The Report of the Week?
Both are neck-and-neck — NPPES and The Report of the Week 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, NPPES or The Report of the Week?
The Report of the Week has the lower median latency in our checks — NPPES responds in 910 ms versus The Report of the Week at 228 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 NPPES and The Report of the Week need an API key?
Neither needs a paid key — NPPES is callable with no signup, and The Report of the Week is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call NPPES and The Report of the Week from the browser?
Neither sends browser-friendly CORS headers reliably, so call NPPES and The Report of the Week 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 The Report of the Week free for commercial use?
NPPES allows commercial use on its free tier, and The Report of the Week 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.