TradePay

byManish Gavhade

Build a full-stack SaaS application called "TradePay Reminder" - an automated invoice reminder system for trade businesses (plumbers, electricians, HVAC technicians, carpenters, roofers). Core Features: 1. User authentication (email + Google OAuth) 2. Dashboard showing outstanding invoices with status (paid, pending, overdue) 3. Ability to upload invoices via CSV or connect to Stripe/Square/PayPal APIs 4. Automated SMS and email reminder sequences (3 touches: Day 1, Day 3, Day 7 after due date) 5. Customizable reminder templates with placeholders for {{customer_name}}, {{invoice_number}}, {{amount}}, {{due_date}} 6. Real-time payment status sync - stop reminders immediately when payment is received 7. Simple analytics: total outstanding, collected this month, average days to payment 8. Pricing page with 3 tiers: Free (10 invoices/mo), Pro $29/mo (100 invoices), Team $49/mo (unlimited) Design Requirements: - Mobile-first, clean interface optimized for tradespeople on job sites - Blue and white color scheme (trustworthy, professional) - Large buttons, minimal text, obvious CTAs - SMS-first approach (tradespeople prefer texts over emails) Technical Stack: - React + TypeScript frontend - Node.js/Express or Hono backend - PostgreSQL database with Prisma ORM - Twilio integration for SMS - SendGrid or Resend for email - Stripe Billing for subscriptions - Deploy on Vercel or similar Key User Flow: 1. User signs up and connects payment processor or uploads CSV 2. System imports invoices and tracks due dates 3. Automated reminders go out based on schedule 4. When customer pays, system detects via webhook and stops all reminders 5. User sees dashboard update in real-time Build this as a production-ready MVP I can launch in 2 weeks. Include proper error handling, loading states, and a polished landing page.