How to Detect If a User Is Using a VPN with JavaScript

1. cli

   1 283 1,890 8.5 Go

   Official Command Line Interface for the IPinfo API (IP geolocation and other types of IP data) (by ipinfo)

   

   async function checkVpnUsage() { const res = await fetch('https://ipinfo.io/json?token=YOUR_TOKEN'); const data = await res.json(); console.log('IP Info:', data); // Some services provide `privacy` or `proxy` fields if (data.privacy && (data.privacy.vpn || data.privacy.proxy)) { console.log('User is likely using a VPN or proxy.'); } else { console.log('No VPN/proxy detected.'); } } checkVpnUsage();

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