VPNDetection flags an IP address as a VPN, residential, datacenter, mobile or public proxy, Tor node, privacy relay, CDN or hosting server, and names the operator behind each flag with a confidence level and the day it was last seen. One request returns every flag. SDKs for 13 languages and 15 frameworks, a CLI, an MCP server, and WordPress and Minecraft plugins. 50,000 free lookups a month, no card needed.
