Next.js REST API Template
Looking for a Next.js REST API template to build full-featured SaaS applications? supastarter provides a production-ready starter kit with built-in REST API routes, authentication, and type-safe endpoints for scalable backend development.Next.js+REST APIGet supastarter for Next.jsRead API 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 REST APIs Matter
REST APIs are the backbone of modern SaaS applications, allowing your frontend and third-party clients to interact securely with your backend. A well-structured REST API ensures scalability, maintainability, and type safety.
✅ Benefits of a Next.js REST API Template:
- Standardized API routes — consistent, predictable endpoints
- Secure endpoints — built-in authentication and authorization
- Type-safe requests and responses — reduce runtime errors
- Easy integration with frontend and third-party apps
- Scalable architecture — handle growing user bases and traffic
🚀 What is supastarter?
supastarter is a production-ready SaaS boilerplate that provides REST API routes and backend scaffolding out of the box. You don’t need to set up API routing, authentication, or request handling — it’s ready to go.
Whether you’re building SaaS products, internal dashboards, or B2B platforms, supastarter gives you a solid backend foundation.
🔧 Features of Next.js REST API Template
- Preconfigured API routes — CRUD operations, user management, and more
- Authentication & Authorization — secure access to API endpoints
- Type-safe requests/responses — leverage TypeScript for safety
- Webhook support — handle events from Stripe, Lemon Squeezy, Creem, or Polar
- Scalable backend architecture — ready for multi-tenant and organization SaaS
- Documentation-ready — easily generate API docs for your team or clients
💡 Who Is This For?
- Developers building RESTful SaaS applications
- Teams needing a type-safe API backend with authentication
- Founders launching products with frontend-backend separation
- Anyone looking for a Next.js REST API starter template
🧪 Built by Developers, for Developers
supastarter provides API routes, secure endpoints, and type-safe responses out of the box.
With Next.js, you get a flexible framework for server-side logic and API routing. With supastarter, you get a complete REST API foundation that saves time and reduces boilerplate, letting you focus on building your product.
See what supastarter customers are building
Discover the diverse range of projects and ideas that our 800+ customers have built with supastarter.
