Customer identity, built for developers.

JavaScript

import { NexaAuth } from "@nexaauth/js";

const nexa = new NexaAuth({
  clientId: "6f2a9c1e-88b1",
});

await nexa.signIn.withOtp({
  identifier: "marie@acme.com",
  channel: "email",
});

React

import { NexaAuthProvider, SignIn } from "@nexaauth/react";

export default function App() {
  return (
    <NexaAuthProvider clientId="6f2a9c1e-88b1">
      <SignIn />
    </NexaAuthProvider>
  );
}

Next.js

// app/api/auth/[...nexa]/route.ts
import { NexaAuth } from "@nexaauth/next";

export const { GET, POST } = NexaAuth({
  clientId: process.env.NEXA_CLIENT_ID,
});

TanStack Start

// app.config.ts
import { nexaAuthPlugin } from "@nexaauth/tanstack-start";

export default defineConfig({
  plugins: [nexaAuthPlugin({ clientId: "6f2a9c1e-88b1" })],
});