ipXapi – A Real-Time VPN/Proxy Detection API

Detecting proxies, real-time VPN/proxy detection API is a crucial part of any security or fraud detection strategy. By combining proxy detection with other threat detection methods (like identity verification, risk scoring, and behavior analysis), businesses can reduce fraud losses and protect the integrity of their platform.

Proxies and VPNs are a common tool used by fraudsters to commit crimes and manipulate online systems. The most common use case is multi-accounting and bonus abuse (fraudsters create multiple accounts using different email addresses, phone numbers, and IPs to take advantage of a website or service). By flagging suspicious connections as a proxy or VPN, companies can reduce account creation, logins, and transactions and help protect user data.

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The API uses a combination of dynamic and static checks to retrieve characteristics of the connection and calculate a probability score. The scores are based on large and frequently updated datasets. Static checks lookup the IP address against a set of known static ban lists to identify patterns of proxies and VPNs.

Dynamic checks rely on mathematical concepts like Probability Theory and Machine Learning Boosting to calculate the probability that the IP is associated with a proxy or VPN based on attributes of the connection. This method is especially important for e-commerce and subscription services where the ability to detect proxies and VPNs can save businesses millions of dollars in fraud losses.

ipXapi serves millions of API requests per week and is trusted by gaming communities, e-commerce websites, research universities & institutions, and financial services companies. This API detects proxies and VPNs to prevent unauthorized logins, enforce game balance, uphold community standards, and protect geo-locked content. It is also used in advertising to refine location signals and avoid click fraud.