E Commerce

This skill provides comprehensive guidance for implementing Stripe payment processing in web applications. It covers one-time payments, subscription billing, webhook handling, customer management, and refund processing with PCI-compliant patterns.

A comprehensive guide for integrating PayPal payments into applications. Covers Express Checkout with Smart Payment Buttons, IPN (Instant Payment Notification) webhook handling, recurring billing/subscriptions, and refund workflows with Python and JavaScript examples.

A comprehensive development guide for building Shopify apps using the Remix framework, Shopify Admin GraphQL API, and checkout UI extensions. Covers everything from initial setup and authentication to GDPR compliance, Polaris UI components, database configuration with Prisma, and deployment strategies.

This skill provides comprehensive documentation and code examples for building headless e-commerce applications with Medusa. It covers project setup, custom API routes, modules, workflows, event subscribers, scheduled jobs, admin UI customization, and deployment strategies.

This skill provides comprehensive documentation and code examples for integrating Klaviyo's email and SMS marketing platform. It covers customer profile management, event tracking, campaign automation, list management, and webhook handling with examples in TypeScript and Python.