Building a SaaS Application with Convex, Next.js and Tailwind CSS for a responsive and beautiful UI

• Convex for backend (sponsored)
• Clerk for seamless authentication
• Polar for efficient payment processing (replacing Stripe)
• Vercel AI SDK for an integrated AI playground

Demo Overview

User Flow

1. Sign up process
2. Subscription to various plans
3. Accessing the dashboard with dark/light mode toggle

Dashboard Features

• Display of user information
• Subscription details
• Comprehensive billing information

Subscription Management

• Real-time subscription cancellation
• Instant database updates reflecting changes

Setup Instructions

Code Setup

1. Download the starter kit from nextstarter.xyz
2. Unzip the downloaded file
3. Install dependencies using bun: \[canada-ai](http://vscodecontentref/1)\

    bun install \\\[canada-ai](http://_vscodecontentref_/2)\\

Service Configuration

Clerk Setup

1. Create a new project for authentication
2. Configure authentication settings

Convex Setup

1. Create a new backend project
2. Set up necessary environment variables

Polar Integration

1. Set up Polar in sandbox mode
2. Create products for your SaaS offerings
3. Configure webhooks for real-time payment updates

Environment Variables

Ensure you configure the following keys:

• Clerk API keys
• Polar API keys
• Convex project keys

Payment Webhooks

Set up webhooks to ensure seamless communication between Polar and Convex for real-time payment status updates.

AI Playground Setup

1. Obtain API keys from:
   • OpenAI
   • DeepSeek
   • Groq
2. Configure the AI playground to demonstrate real-time chat responses

Code Structure Highlights

API Folder

Contains all the necessary APIs for the AI chat functionality.

Convex Folder

Handles critical backend operations:

• User queries
• Mutations
• Subscriptions
• Webhook management

Plans & Subscriptions

Dynamically configured within Convex for flexibility and easy management.

Final Notes

• Feel free to modify and adapt the starter kit for your specific SaaS project needs.
• Convex plays a crucial role in the project's backend infrastructure and real-time capabilities.
• We encourage you to share your projects and experiences on social media!

By following this guide, you'll have a solid foundation for building a modern, scalable SaaS application. Remember, the key to success is in customizing these tools and technologies to fit your unique business needs. Happy coding!