8 datasets queried

101.167.2.80

You have used this hour's free lookups. An API key has no such limit, and the free tier is 50,000 requests a month.

00 · No key

Start without signing up.

Paste it into a terminal — no account needed. 1k daily allowance per user, answering ip and is_vpn.

curl "https://api.vpndetection.io/45.83.91.1"
{
"ip": "45.83.91.1",
"is_vpn": true
}
01 · Free key

Signup for 50k req/month.

No card, no sales call — the key is issued on signup.
Every request flags VPN IPs.
Upgrade only when you outgrow the allowance.