ContentCascade

Turn one idea into a week of content. ContentCascade is an AI-powered SaaS application that repurposes your content into optimized posts for LinkedIn, Twitter/X, and TikTok.

Features

• AI Content Generation — Paste any text and instantly get platform-optimized posts
• Multi-Platform Support — LinkedIn posts, Twitter threads, and TikTok scripts
• A/B/C Variants — Three creative variations per platform for testing
• Hook Generator — AI-suggested hooks to maximize engagement
• Tone Presets — Professional, Viral, Storytelling, Educational, Controversial, Minimalist
• Usage Dashboard — Browse and copy all your previously generated content
• Subscription Billing — Free, Creator ($15/mo), and Pro ($29/mo) plans via Stripe

Tech Stack

• Next.js 14 (App Router, TypeScript)
• TailwindCSS for styling
• Supabase for database and auth (email/password + Google OAuth)
• Stripe for subscription billing
• OpenAI for content generation (gpt-4o-mini)

Getting Started

1. Clone and install dependencies

npm install

2. Set up environment variables

Copy .env.example to .env.local and fill in your credentials:

cp .env.example .env.local

Required environment variables:

• NEXT_PUBLIC_SUPABASE_URL — Your Supabase project URL
• NEXT_PUBLIC_SUPABASE_ANON_KEY — Your Supabase anonymous key
• SUPABASE_SERVICE_ROLE_KEY — Your Supabase service role key (for webhooks)
• OPENAI_API_KEY — Your OpenAI API key
• STRIPE_SECRET_KEY — Your Stripe secret key
• STRIPE_WEBHOOK_SECRET — Your Stripe webhook signing secret
• NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY — Your Stripe publishable key
• STRIPE_CREATOR_PRICE_ID — Stripe price ID for the Creator plan
• STRIPE_PRO_PRICE_ID — Stripe price ID for the Pro plan
• NEXT_PUBLIC_STRIPE_CREATOR_PRICE_ID — Same as above (exposed to client)
• NEXT_PUBLIC_STRIPE_PRO_PRICE_ID — Same as above (exposed to client)
• NEXT_PUBLIC_APP_URL — Your app URL (e.g., http://localhost:3000)

3. Set up Supabase

Run the SQL schema from supabase/schema.sql in your Supabase project's SQL editor.

4. Set up Stripe

1. Create two subscription products in your Stripe dashboard: Creator ($15/mo) and Pro ($29/mo)
2. Copy the price IDs to your .env.local
3. Configure a webhook endpoint pointing to {your-url}/api/stripe/webhook with events:
   • checkout.session.completed
   • customer.subscription.updated
   • customer.subscription.deleted

5. Run the development server

npm run dev

Open http://localhost:3000 in your browser.

Deployment

Deploy to Vercel with all environment variables configured. Make sure to update NEXT_PUBLIC_APP_URL to your production URL and configure your Stripe webhook endpoint accordingly.