About
This skill empowers Claude to architect and implement comprehensive PayPal payment solutions, ranging from simple Express Checkout buttons to complex subscription management systems. It provides production-ready patterns for handling server-side REST API calls, verifying Instant Payment Notifications (IPN) to prevent fraud, managing recurring billing cycles, and processing customer refunds. Whether you are building a new e-commerce store or adding a payment gateway to an existing service, this skill ensures industry best practices for security, internationalization, and error handling are followed.
