NextID gives individuals and organizations a cryptographic human presence token — verified by facial recognition — so your AI agents can prove they're acting on behalf of a real person. Liveness detection, anti-spoofing, and a simple API.
No credit card required · $5 of API credit included
Trusted by developers, individuals, and organizations worldwide
A complete platform for facial identity verification. Give your AI agents a human presence token, or build identity verification into your product.
State-of-the-art face detection and recognition powered by InsightFace. Verify identities with a single selfie in under 2 seconds.
Challenge-response blink detection prevents photo and video replay attacks. Combined with server-side DCT anti-spoofing analysis.
Face embeddings are stored as irreversible vectors — never raw images. IP addresses are hashed. Your users' data stays private.
RESTful API with webhook notifications. Embed verification into your app with just a few lines of code. SDKs for popular frameworks.
Give your AI agents a verifiable token that proves a real human is behind them. Perfect for individuals who want their agents to act with trust and accountability.
Real-time analytics, user management, verification logs, and billing. Face-2FA login for admins adds an extra layer of security.
AI agents are only as trustworthy as the person behind them. NextID lets you enroll your face once, then issue human presence tokens that your agents present whenever they need to prove a real person authorized their actions.
You
Agent 1
Agent 2
Agent 3
Each agent carries your verified human presence token
Three steps to get a human presence token for your agents — or add identity verification to your application.
Sign up as an individual or organization. Get your API key instantly — no credit card required, $5 of free credit included.
Verify yourself with a quick selfie and liveness check. For teams, send enrollment links or use the API to register users at scale.
Your agents present a human presence token to prove they act for a verified person. Verification takes under 2 seconds with full anti-spoofing.
Pay only for what you use. No monthly minimums or hidden fees.
Pay as you go
$0.10 per enrollment · $1.00 per active user/month
Whether you're an individual with AI agents or an enterprise securing access, get started in minutes. No credit card required.