AuthKit-Lite – Spring Boot JWT Authentication Starter
Spring Boot JWT authentication starter built with Spring Security. Includes role-based access, refresh tokens, and a clean backend structure.
See It in Action
Login API
Returns access and refresh tokens securely.
What You Get
AuthKit-Lite gives you a lightweight, production-ready starting point with JWT, role-based access, and a clean structure so you can focus on building features.
- • JWT authentication with access and refresh tokens
- • Role-based access control for protected routes
- • Pre-built login, register, and user APIs
- • Secure password hashing using BCrypt
- • Clean architecture with separated layers
- • Ready to extend for SaaS and production apps
Use Cases
- SaaS backend authentication systems
- Admin dashboards with role-based access
- REST APIs with JWT authentication
- Microservices authentication layer
Without vs With AuthKit-Lite
Without AuthKit-Lite
- Manual JWT setup and config
- Repeated boilerplate in every project
- Higher risk of security mistakes
- Unstructured or messy architecture
- Hours lost on setup before building
With AuthKit-lite
- JWT authentication ready out of the box
- Clean and modular project structure
- Secure defaults and best practices
- Role-based access already implemented
- Start building features immediately
Key Features
JWT + Refresh Token Flow
Secure authentication with short-lived access tokens and refresh support.
Role-Based Authorization
Protect endpoints with fine-grained role access control.
Spring Security 6 Setup
Modern configuration using latest Spring Security practices.
Structured Codebase
Clear separation of controllers, services, and security layers.
Ready-to-Use APIs
Authentication and user endpoints available out of the box.
Easy to Extend
Designed to scale for real-world backend and SaaS applications.
Project Structure
Modular packages
Organized into clear and reusable components.
Clean separation
Controllers, services, and repositories are well structured.
Security layer
JWT and auth logic isolated for clarity and safety.
Quick Start
1. Clone the repository
Download or clone the project from GitHub.
2. Configure environment
Set database and JWT properties in application.properties.
3. Run the application
Start the Spring Boot app and begin testing APIs.
API Endpoints
Authentication
Register a new user account.
Authenticate user and return access and refresh tokens.
Generate a new access token using refresh token.
Invalidate tokens and log out the user.
User
Get current authenticated user details.
Fetch user profile information.
Retrieve list of all users (admin access).
Access restricted user route based on roles.
Admin
Access admin-only protected endpoint.
Includes a ready-to-use Postman collection for testing all endpoints.
Ready to use AuthKit-Lite?
A lightweight authentication starter for Spring Boot. Set up in minutes and start building real features.
Free and open source