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IP Proxy Detection vs Portscan

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

APIIP Proxy DetectionNEW—PortscanNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSnoyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

IP Proxy Detection vs Portscan: common questions

Which is more reliable, IP Proxy Detection or Portscan?

On our scheduled checks, Portscan leads on measured uptime — IP Proxy Detection at —% versus Portscan 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 IP Proxy Detection and Portscan need an API key?

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

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

Only Portscan is browser-friendly — it returns CORS headers over HTTPS. IP Proxy Detection needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are IP Proxy Detection and Portscan free for commercial use?

IP Proxy Detection has unclear commercial terms, and Portscan 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.