Unified Pay Core

A unified payment processing library that simplifies integration with multiple payment gateways through a single, consistent API.

🚀 Features

• Multi-gateway support: Stripe, PayPal, and more
• Unified API: Single interface for all payment gateways
• TypeScript support: Full type safety and IntelliSense
• Webhook handling: Built-in webhook processing with signature verification
• Environment-based configuration: Secure credential management
• Test mode support: Easy testing with sandbox environments
• Consistent response format: Standardized responses across all gateways

Why Choose Unified Pay Core?

Instead of implementing separate SDKs for each payment provider, Unified Pay Core provides:

• Consistency: Unified API across all supported gateways
• Reliability: Built-in retry logic and comprehensive error handling
• Security: Webhook signature verification and secure practices
• Flexibility: Switch gateways easily or use multiple simultaneously
• Developer Experience: Clear TypeScript definitions and structured documentation
• Simplified Integration: Single interface for payment processing, refunds, and webhooks

🔗 Supported Gateways

Gateway	Status	Test Mode	Webhooks	Refunds	Verification
Stripe	✅ Active	✅ Yes	✅ Yes	✅ Yes	✅ Yes
PayPal	✅ Active	✅ Yes	✅ Yes	✅ Yes	✅ Yes
Razorpay	✅ Active	✅ Yes	✅ Yes	✅ Yes	✅ Yes
Square	🚧 Coming Soon	-	-	-	-

📦 Installation

npm install unified-pay-core

🔒 Security Best Practices

1. Environment Variables: Store credentials in environment variables
2. Webhook Verification: Always verify webhook signatures
3. HTTPS: Use HTTPS in production for all endpoints
4. Raw Body Parsing: Use raw body parsing for webhook endpoints
5. Error Handling: Implement comprehensive error handling