소개
This skill empowers Claude to architect and implement secure PayPal payment flows, ranging from simple client-side buttons to complex server-side order captures. It covers the full lifecycle of a transaction, including initial payment, Instant Payment Notifications (IPN) for backend reconciliation, recurring billing for subscription models, and administrative tasks like refunds and dispute handling. Whether you are building a simple storefront or a complex SaaS platform, this skill provides the implementation patterns needed for a production-grade e-commerce experience.