Authentication vs Domain Intelligence
Same instrument, two spec sheets — measured, not claimed.
Authentication vs Domain Intelligence: common questions
Which is more reliable, Authentication or Domain Intelligence?
On our scheduled checks, Authentication leads on measured uptime — Authentication at 100% versus Domain Intelligence at 83.3% 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, Authentication or Domain Intelligence?
Domain Intelligence has the lower median latency in our checks — Authentication responds in 720 ms versus Domain Intelligence at 533 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 Authentication and Domain Intelligence need an API key?
Authentication needs no key, while Domain Intelligence requires a free API key. If you want to start calling without signup, reach for Authentication first.
Can I call Authentication and Domain Intelligence from the browser?
Neither sends browser-friendly CORS headers reliably, so call Authentication and Domain Intelligence from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Authentication and Domain Intelligence free for commercial use?
Authentication has unclear commercial terms, and Domain Intelligence 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.