Biometric human verification, privacy by design
Verify your users are human.
Never store their face.
Client-side face detection, geometric fingerprints, passive liveness, and uniqueness checking — built for surveys, account signup, and high-trust workflows. No images leave the user's device.
Three ways in
Pick the surface that matches what you're building.
SDK
Embed the widget
React, Next.js, vanilla JS, or HTML drop-in. Five integration paths, identical verification behavior.
SDK guide
MCP
Programmatic admin via Claude
Manage projects, rotate signing keys, mint demo keys, inspect analytics — all via an MCP-compatible client like Claude Desktop or Claude Code.
MCP guide
Server API
Direct REST
Verify tokens, query sessions, read verification logs from your backend. cURL / Node / Python examples in the dashboard integrate page.
API reference