Payment Integration Pro
Implements secure, PCI-compliant payment systems and subscription workflows using Stripe, PayPal, and other major processors.
This skill provides a comprehensive framework for building robust financial architectures, handling everything from initial checkout flows to complex recurring subscription management. It prioritizes security and reliability by enforcing strict webhook signature verification, idempotency logic, and environment separation to prevent data leaks or double-billing. Whether you are building a modern e-commerce storefront or a multi-tier SaaS billing engine, this skill guides you through implementing official SDKs, handling edge cases like failed payments, and ensuring your application adheres to critical PCI compliance standards.