Authentication Platform

Enterprise Auth
Made Simple

Secure, scalable authentication and authorization for modern applications.
OAuth2, OpenID Connect, and Multi-Tenant support out of the box.

OAuth2 & OIDC
Enterprise Security
5-Min Setup
Multi-Tenant
Setup in Minutes
Multi-Realm
Isolate tenants
Token Config
Custom keys
User Roles
Fine-grained access
Usage Based
Pay per session
Powerful Features

Everything You Need
Out of the Box

Enterprise-grade authentication designed for modern development teams

Multiple Grant Types

Support for Authorization Code, Password, Refresh Token, and Client Credentials grants with OIDC integration.

  • 4 OAuth2 Grants
  • NextAuth Integration
  • OIDC Support

Multi-Realm & Client Management

Create isolated realms with multiple clients. Each client has custom token signing and encryption keys.

  • Realm Isolation
  • Client CRUD
  • Custom Keys per Client

Customizable Login & Roles

Customize login screens based on your plan and manage fine-grained roles per user, client, and realm.

  • Custom Login UI
  • Role Management
  • Plan-Based Features

Usage-Based Billing

Pay only for what you use. Billing based on successful logins and active sessions with Stripe integration.

  • Pay Per Session
  • Stripe Integration
  • Subscription Plans

Token Management

Session and token tracking

User Separation

Users isolated by client & realm

Easy Integration

Ready-to-use after setup

Portal Dashboard

Manage everything in one place

Realm & Client CRUD

Full management interface

Custom Configuration

Per-client token settings

Built for developers who value simplicity

No Vendor Lock-in
Self-Hostable
Open Standards
Explore Features

Built for
Every Use Case

Filter features by category to see what Auth.io can do for your application

OAuth2 & OIDC

4 grant types: Authorization Code, Password, Refresh Token, and Client Credentials

Realm Isolation

Complete tenant separation with independent realms for data and configuration

Custom Token Keys

Per-client signing and encryption keys with full configuration control

User Management

Role-based access control per user, client, and realm with fine-grained permissions

Usage-Based Pricing

Pay only for successful logins and active sessions with Stripe integration

Custom Login UI

Customize authentication screens based on your subscription plan

NextAuth Integration

Seamless OIDC integration with NextAuth for modern applications

Session Management

Track and manage active sessions and tokens through the portal dashboard

Client CRUD

Full client management with independent configurations per application

Quick Integration

Start authenticating immediately after realm and client setup

Subscription Plans

Flexible plans integrated with Stripe for automatic billing management

User Separation

Automatic user isolation by client and realm for complete data segregation

Showing 12 features

Integration Examples

Start Integrating
In Minutes

Copy-paste ready code snippets for quick integration

NextAuth.js Integration
import NextAuth from "next-auth"

export const { handlers, signIn, signOut, auth } = NextAuth({
  providers: [
    {
      id: "authio",
      name: "Auth.io",
      type: "oidc",
      issuer: process.env.AUTHIO_ISSUER,
      clientId: process.env.AUTHIO_CLIENT_ID,
      clientSecret: process.env.AUTHIO_CLIENT_SECRET,
      authorization: {
        params: { scope: "openid profile email" }
      }
    }
  ]
})

Replace {realm}, YOUR_CLIENT_ID, and YOUR_CLIENT_SECRET with your actual values from the dashboard

Loading pricing plans...

Got Questions?

Frequently
Asked Questions

Everything you need to know about Auth.io

Auth.io supports 4 OAuth2 grant types: Authorization Code, Password, Refresh Token, and Client Credentials. We also provide full OIDC support with NextAuth.js integration.