For the Builders of Web4

Build
Without
Boundaries.

UIID is the developer-first identity layer. Unphishable auth, instant KYC, and zero-knowledge data sharing via a single API.

Read the Docs GitHub

Zero
Friction Integration.

Use our SDKs or native OIDC. Secure your app in minutes, not weeks.

JS

Node.js / React SDK

GO

Native Go Provider

PY

Python / FastAPI Integration

auth.ts

import { UIID } from "@uiid/sdk";

const client = new UIID({

appId: "uiid_app_8821",

secret: process.env.UIID_SECRET

});

// Secure passwordless login

await client.login({

method: "webauthn",

scopes: ["identity", "kyc_verified"]

});

Engineered for Web4

Industry standard protocols for seamless integration with existing auth providers like Auth0, Firebase, or Supabase.

Native support for FIDO2 and passkeys. Zero passwords, zero phishing, maximum security for your users.

W3C compliant Decentralized Identifiers. Issue and verify digital credentials that users truly own.

Start building the next generation of privacy-preserving applications today.