FilterLists vs IP Proxy Detection

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d98.0%100%
Uptime · 30d96.7%100%
P50 · ms357323
P95 · ms1813706
Authnonenone
CORSnono
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

FilterLists vs IP Proxy Detection: common questions

Which is more reliable, FilterLists or IP Proxy Detection?

On our scheduled checks, IP Proxy Detection leads on measured uptime — FilterLists at 98.0% versus IP Proxy Detection 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 IP Proxy Detection?

IP Proxy Detection has the lower median latency in our checks — FilterLists responds in 357 ms versus IP Proxy Detection at 323 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 IP Proxy Detection need an API key?

Neither needs a paid key — FilterLists is callable with no signup, and IP Proxy Detection is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call FilterLists and IP Proxy Detection from the browser?

Neither sends browser-friendly CORS headers reliably, so call FilterLists and IP Proxy Detection 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 IP Proxy Detection free for commercial use?

FilterLists has unclear commercial terms, and IP Proxy Detection 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.