FilterLists vs VulDB
Same instrument, two spec sheets — measured, not claimed.
FilterLists vs VulDB: common questions
Which is more reliable, FilterLists or VulDB?
On our scheduled checks, VulDB leads on measured uptime — FilterLists at 98.0% versus VulDB at 100% 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, FilterLists or VulDB?
FilterLists has the lower median latency in our checks — FilterLists responds in 357 ms versus VulDB at 360 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 FilterLists and VulDB need an API key?
FilterLists needs no key, while VulDB requires a free API key. If you want to start calling without signup, reach for FilterLists first.
Can I call FilterLists and VulDB from the browser?
Only VulDB is browser-friendly — it returns CORS headers over HTTPS. FilterLists needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are FilterLists and VulDB free for commercial use?
FilterLists 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.