What problem does it solve? Integrating payments into an application involves complex concerns like PCI compliance, subscription lifecycles, webhook security, and SCA requirements that are easy to get wrong. This Skill provides proven implementation patterns for Stripe so you can build correct payment flows without reinventing each integration detail. ## Core Features & Use Cases - Payment Flow Patterns: Implement hosted Checkout Sessions, custom Payment Intents, and Setup Intents for saving payment methods. - Subscription & Customer Management: Create subscriptions, manage customers and payment methods, and integrate the Stripe Customer Portal. - Secure Webhook Handling: Verify webhook signatures, process events idempotently, and handle payment success, failure, and cancellation events. - Use Case: You are adding a monthly premium plan to your SaaS app. Use this Skill to create a Checkout Session in subscription mode, set up a verified webhook endpoint to activate accounts on payment_intent.succeeded, and add a Customer Portal link for self-service plan management. ## Quick Start Use the stripe_integration skill to create a subscription checkout session and a secure webhook endpoint for my Flask application.