A powerful starter kit built with Next.js, Tailwind CSS, and Swagger UI — perfect for building modern REST API platforms with user authentication, dashboards, freemium upgrade pages, and built-in API documentation playground.

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Use code: FLS42 at checkout.
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🌐 Preview

Free Version | Premium Version

email: [email protected]

password: demo

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📚 Features

• 🌐 Beautiful landing page (Tailwind CSS)

• 🔐 Login & registration system

• 📊 User dashboard with access control

• 💎 Upgrade page for free/premium plans

• 🧪 API Playground using Swagger UI inside the dashboard

• 🔑 API Key system with rate limiting

• 🧩 Auto Generate Playground Component

• ⚙️ RESTful API routes with OpenAPI documentation

• 📁 Clean and modular project structure

💎 Premium Features

• Swagger UI
• Landing Page
• Dashboard Page
• Playground Page
• Upgrade Plan Page
• Stats & Status Page
• Sign In & Sign Up Page
• Forgot, Reset & Confirm Email Pages
• Supports 4 OAuth2 Providers
• Custom Swagger Theme UI
• Custom VSCode Snippets
• Supports SMTP
• Rate Limiting
• API Key Access
• Account Management
• Priority Support
• Access to Exclusive Features
• Access to Exclusive Discord Roles
• Early Access to Updates

🔑 API Key System

• This project includes a built-in API key system for managing access to protected endpoints.

❓ How it works

• Every registered user is assigned a unique API key.

• API keys must be passed in the X-RESTful-KEY header.

• Different rate limits can be set for free vs. premium users.

• Invalid or missing API keys will result in a 401 Unauthorized error.

🧱 Tech Stack

• Next.js
• Tailwind CSS
• Swagger UI (OpenAPI 3.x)
• TypeScript / JavaScript
• Axios / Fetch
• MongoDB, JWT, NextAuth, SMTP