🔗 OpenPay — Payment Link Generator
SaaS tool focused on simplifying online payments by generating shareable payment links.
Allows businesses to charge clients instantly without building a full checkout system.
🚀 Core Features
- 🔗 Instant payment link generation
- 💳 Secure online checkout for card payments
- 📲 Shareable links for WhatsApp, email, or social media
- ⚙️ Custom amount, description, and reference per link
- 🧾 Payment status tracking for each generated link
- 📦 No-code flow with no complex integration required
- 🔒 Secure payment processing through tokenized flows
- 📱 Mobile-optimized checkout experience
🧩 How it works
Payment Flow
- User creates a payment link with amount and description
- The system generates a unique payment URL
- The link is shared with the customer
- The customer opens the checkout page
- The customer completes the payment securely
- The system receives and updates the payment result
Link Lifecycle
- Each link is created and stored in the system
- Links can support different usage rules depending on business logic
- Payment status can be tracked as pending, paid, or failed
- Each payment can be associated with transaction metadata
⚙️ Tech Stack
- Frontend: Next.js, React, Tailwind CSS
- Backend: Node.js
- Database: PocketBase
- Payments: OpenPay API integration
- Infrastructure: VPS, Nginx, PM2
📊 Key Metrics
- ⚡ Link generation time: under a few seconds
- 💳 Fast checkout flow designed for quick payment completion
- 📲 Optimized for mobile-first payment behavior
- 🔗 Multi-channel sharing through messaging and direct links
- 📉 Reduced friction compared to manual payment coordination
📈 Scalability
Current Architecture
- Single Node.js application instance
- PocketBase as lightweight data layer
- Direct integration with payment provider APIs
Ready to Scale
- Horizontal scaling with multiple app instances
- Migration to external relational databases if needed
- Webhook processing workers for higher traffic
- Queue-based event handling for payment operations
- CDN and caching layers for faster delivery
🔐 Security
- Secure payment flow without storing raw card data
- HTTPS enforced across the full payment journey
- Server-side validation for critical payment actions
- Webhook verification for trusted payment updates
- Account-based isolation for multi-tenant readiness
💡 Use Cases
- Freelancers charging clients quickly
- Small businesses without a full e-commerce store
- Service-based businesses collecting remote payments
- Digital product sales through direct payment links
- Simple billing flows without custom checkout development
🧠 Differentiator
- Removes the need for a full custom checkout implementation
- Speeds up payment collection with a simple shareable flow
- Built for practical business usage, not just prototypes
- Lightweight architecture with room to grow
- Focused on reducing friction between sale and payment
Tech Stack
Next.jsNode.jsPocketBaseTailwindCSS