AuthenticationClient | Auth0 Node.js SDK

Auth0 Authentication API Client

Provides access to Auth0's authentication endpoints for login, signup, passwordless authentication, and token exchange operations.

Example: Basic setup

import { AuthenticationClient } from 'auth0';const auth0 = new AuthenticationClient({
  domain: 'your-tenant.auth0.com',
  clientId: 'your-client-id'
});

// Exchange authorization code for tokens
const tokenSet = await auth0.oauth.authorizationCodeGrant({
  code: 'auth-code',
  redirect_uri: 'https://app.example.com/callback'
});

Example: Database operations

// Create user
const user = await auth0.database.signUp({
  connection: 'Username-Password-Authentication',
  username: 'john@example.com',
  password: 'secure-password123'
});

Index

Constructors

constructor

Properties

database

Database connection operations (signup, change password)

oauth

OAuth 2.0 and OIDC operations (authorization, token exchange)

passwordless

Passwordless authentication (email/SMS)

backchannel

Back-channel authentication (CIBA)

tokenExchange

Custom token exchange operations