Proxy Check

Detect proxy, VPN, and Tor usage during identity verification sessions using the iDenfy proxy check API with IPv4 and IPv6 support.

Requirements

• API key pair
• Service enabled (done by iDenfy staff)
• Finances to perform proxy check

---

IP Address Proxy Check

This service checks an IP address and returns its risk level.

Authorization: API key pair Method: POST Endpoint: https://ivs.idenfy.com/fraud/proxy-check

Request Parameters

Key	Required	Type	Constraints	Explanation
ip_address	Yes	String	ipv4, ipv6	IP address to check

Request example:

{
  "ip_address": "64.236.213.12"
}

Response Values

Key	Type	Constraints
risk_level	String	VERY_LOW, LOW, MEDIUM, HIGH, VERY_HIGH, NOT_CHECKED

Response example:

{
  "risk_level": "LOW"
}

---

Automatic proxy check on approved verifications

You can enable this setting in the dashboard. When enabled, a proxy check is performed for each approved ID verification before sending the result webhook. The result appears in the clientIpProxyRiskLevel field of the webhook’s data object.