IP2Proxy

Overview

IP2Proxy detects whether an IP is a proxy, VPN, or Tor exit node — with country and usage-type details. Auth is a free API key (an invalid key returns 401, verified).

Quick Start

Check an IP (replace YOUR_KEY):

curl "https://api.ip2proxy.com/?key=YOUR_KEY&ip=8.8.8.8"

{
  "response": "OK",
  "proxyType": "PUB",
  "isProxy": "YES",
  "countryCode": "US",
  "countryName": "United States",
  "regionName": "California",
  "cityName": "Mountain View"
}

Authentication

• Register at ip2location.com → free IP2Proxy key.
• Send it as the key query parameter (invalid key → 401, verified).

Rate Limits & Notes

• Free tier: 1,000 queries/month (check the docs); paid plans scale.
• proxyType values: PUB (public proxy), VPN, TOR, DCH (data center), SES (search engine), etc.
• Great for fraud prevention and access control.

FAQ

Is IP2Proxy free? Free tier: 1,000 queries/month; more is paid.

How do I get a key? Register at ip2location.com → IP2Proxy service → free key.

What can it detect? Public proxies, VPNs, Tor exits, and data centers.