Authentication vs VulDB
Same instrument, two spec sheets — measured, not claimed.
Authentication vs VulDB: common questions
Which is more reliable, Authentication or VulDB?
On our scheduled checks, Authentication leads on measured uptime — Authentication at 100% versus VulDB at 98.9% 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 VulDB?
Authentication has the lower median latency in our checks — Authentication responds in 162 ms versus VulDB at 283 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 VulDB need an API key?
Authentication needs no key, while VulDB requires a free API key. If you want to start calling without signup, reach for Authentication first.
Can I call Authentication and VulDB from the browser?
Only VulDB is browser-friendly — it returns CORS headers over HTTPS. Authentication needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Authentication and VulDB free for commercial use?
Authentication has unclear commercial terms, and VulDB 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.