Domain Intelligence vs FilterLists
Same instrument, two spec sheets — measured, not claimed.
Domain Intelligence vs FilterLists: common questions
Which is more reliable, Domain Intelligence or FilterLists?
On our scheduled checks, FilterLists leads on measured uptime — Domain Intelligence at 83.3% versus FilterLists at 98.0% 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, Domain Intelligence or FilterLists?
FilterLists has the lower median latency in our checks — Domain Intelligence responds in 533 ms versus FilterLists at 357 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 Domain Intelligence and FilterLists need an API key?
FilterLists needs no key, while Domain Intelligence requires a free API key. If you want to start calling without signup, reach for FilterLists first.
Can I call Domain Intelligence and FilterLists from the browser?
Neither sends browser-friendly CORS headers reliably, so call Domain Intelligence and FilterLists from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are Domain Intelligence and FilterLists free for commercial use?
Domain Intelligence has unclear commercial terms, and FilterLists 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.