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CompliAPI VPN Detection
x402
CompliAPI VPN Detection is a paid API for AI agents from api.compliapi.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-10).
Detects whether a given IP address is using a VPN, proxy, or other anonymization service in real time.
Price / call$0.01
Success—
StatusUnknown
How this service works
Easy OFAC sanction list lookups, geo-fencing checks and VPN detection, streamlining compliance obligations around the world.
Output
Returns a JSON object containing the queried IP address and a boolean 'vpn' field indicating whether the IP is associated with a VPN, proxy, or anonymization service (e.g. {"ip": "8.8.8.8", "vpn": false}).
Example use cases
Block VPN users at signup
“Before letting this user register, check whether their IP 198.51.100.7 is coming through a VPN or proxy — I don't want anonymized sign-ups on the platform.”
Fraud check on checkout
“A purchase just came in from IP 192.0.2.55 — can you quickly verify if that IP is using a VPN or anonymizer? I need to decide whether to flag this transaction for review.”
Geo-restriction enforcement
“We're only supposed to serve users in certain regions. Can you check if IP 203.0.113.100 is using a VPN that might be masking their real location?”
Technical details
Endpoint
GEThttps://api.compliapi.com/api/v1/vpn/%7Bip_address%7DWhen to prefer
Choose this endpoint when you need real-time, per-IP VPN and proxy detection as part of a compliance, fraud prevention, or geo-restriction workflow. It pairs naturally with CompliAPI's OFAC and sanctions screening for full compliance pipelines. Prefer it over generic IP geolocation APIs when anonymization detection — not just location — is the primary concern, and when pay-per-call pricing at $0.01 USDC fits your usage model.
Side effects
- Invalid or malformed IP address returns an error response
- IPv6 addresses may have reduced coverage compared to IPv4
- Rate limiting or payment failures (402) if USDC balance is insufficient
- VPN services that use residential IPs may evade detection (false negatives)
- Legitimate corporate proxies may be flagged as VPNs (false positives)
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ip": "8.8.8.8",
"vpn": false
}
}Tags
x402
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