Software Engineer
Guides
IP reputation is the record of spam, scans, and attacks tied to an IP address. Here's who writes that record, how long it should last, why shared and reused addresses trip it up, and how to use it without blocking real users.
Blog
Residential proxies make automated traffic look like real households, which is exactly why IP reputation checks miss them. Here is how detection actually works: provider attribution, network and behavior signals, live connection analysis, and confidence scores instead of binary blocks.
Blog
VPN detection identifies traffic routed through VPN servers before it reaches your app. Here is how the two signal families work, what they miss, and what to do with a positive result.
Blog
A CGI proxy is an old-school web proxy you use through a web page, and it leaves an obvious trace. The destination sees the proxy server's IP, not the visitor's. Here is how it works, whether it still matters, and how to flag the traffic.
Blog
VPN detection is only as good as its data. We monitor 180+ providers, run live honeypots, and update threat scores daily. Most APIs won't tell you this much.
Blog
Compare the best VPN and proxy detection APIs in 2026 by residential proxy coverage, relay detection, pricing, and response depth for real-world use.
Blog
A practical framework for comparing VPN and proxy detection APIs with a focus on detection depth, false positives, latency, and developer experience.
Blog
Prevent online payment fraud, account takeovers, bot attacks, and other malicious activities. Detect and block VPNs to secure customers.