Next.js Authentication Template
Looking for a Next.js authentication template to quickly build secure SaaS applications? supastarter provides a production-ready starter kit with built-in authentication, role-based access, and user management out of the box.Next.js+AuthenticationGet supastarter for Next.jsRead authentication docs
Authentication
Let your users sign up and login with password, magic link or oAuth.
Payments
Charge your users with subscriptions. Choose your preferred payment provider.
Internationalization
Reach more customers by making your app multilingual.
Mails
Send transactional emails to your customers.
Style
Modern, beautiful UI. Fully customizable.
API
Reusable, extensible and type-safe REST-API for your SaaS.
Database
Access your data in a type-safe way with Prisma or Drizzle.
Organizations
Let your customers create organizations, add members and share resources.
AI
Add artificial intelligence to your app and give your customers superpowers.
SaaS Blog
Multi-language, MDX-based marketing blog to keep your customers up to date with the latest news.
SaaS Analytics
Track your users and their behavior for your SaaS and marketing pages.
SaaS Landing Page
A beautiful landing page with features, pricing and newsletter signup is included.
Learn moreSaaS Onboarding
Multi-step onboarding process to help your customers get started with your app.
Learn moreSaaS Documentation
Multi-language, MDX-based documentation to help your customers get started with your app.
Learn moreContact form
Let your customers contact you.
SaaS Legal Pages
Multi-language placeholder pages for privacy policy and terms of service are included.
Fully typed codebase
From backend to frontend, we are using TypeScript for full type safety.
Cursor / Windsurf support
Cursor / Windsurf rules are included for AI code generation.
One-time purchase. Unlimited projects.
supastarter is a one-time purchase with no recurring fees. You get access to the repository and can use it for as many projects as you want.
Lifetime access
for one developer
- All features includedAuthentication, billing, user management, and more. See list of features above.
- Lifetime updatesLast update to codebase: 1 day ago
- Saves you 120+ hours
- Exclusive discord server for support
🔐 Why Authentication Matters
Secure and reliable authentication is the backbone of any SaaS application. It ensures that users can safely log in, register, and access the correct resources, while enabling advanced features like role-based access and multi-factor authentication.
✅ Benefits of a Next.js Authentication Template:
- Secure login and signup flows — protect user accounts and data
- Role-based access control — manage permissions across users and teams
- Passwordless login support — email magic links, OAuth, and more
- Session management — persistent sessions and secure token handling
- User profile management — update account details and preferences
🚀 What is supastarter?
supastarter is a production-ready SaaS boilerplate that provides authentication and user management out of the box. With supastarter, you don’t need to build authentication flows from scratch — it’s fully wired for modern SaaS applications.
Whether you’re building a subscription-based platform, B2B tool, or internal dashboard, supastarter gives you the foundation to handle authentication securely and efficiently.
🔧 Features of Next.js Authentication Template
- Email/password login — secure and flexible authentication
- OAuth integration — support for Google, GitHub, and other providers
- Role-based access control — assign roles like admin, user, or manager
- Multi-factor authentication (MFA) — optional extra security layer
- Password recovery and reset flows — built-in email templates
- Scalable architecture — designed to grow with thousands of users
💡 Who Is This For?
- Developers building secure SaaS applications
- Founders launching apps that require user authentication
- Teams needing role-based access and secure login flows
- Anyone looking for a Next.js authentication starter template
🧪 Built by Developers, for Developers
supastarter provides secure authentication, role management, and user sessions out of the box.
With Next.js, you get a modern framework for fast, scalable applications. With supastarter, you get a complete authentication foundation that saves time, reduces errors, and helps you focus on building features.
See what supastarter customers are building
Discover the diverse range of projects and ideas that our 800+ customers have built with supastarter.
