FilterLists vs MalwareBazaar
Same instrument, two spec sheets — measured, not claimed.
FilterLists vs MalwareBazaar: common questions
Which is more reliable, FilterLists or MalwareBazaar?
On our scheduled checks, MalwareBazaar leads on measured uptime — FilterLists at —% versus MalwareBazaar at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do FilterLists and MalwareBazaar need an API key?
FilterLists needs no key, while MalwareBazaar requires a free API key. If you want to start calling without signup, reach for FilterLists first.
Can I call FilterLists and MalwareBazaar from the browser?
Neither sends browser-friendly CORS headers reliably, so call FilterLists and MalwareBazaar from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are FilterLists and MalwareBazaar free for commercial use?
FilterLists has unclear commercial terms, and MalwareBazaar 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.