Does this skill support both frontend and backend PayPal integration?

Yes, it provides implementation patterns for the JavaScript SDK Smart Buttons on the client side and Python REST API logic for the server side.

How does this skill handle payment security?

It emphasizes secure practices such as mandatory server-side order capture verification, IPN authentication, and secure OAuth 2.0 token management.

Can I use this for subscription-based products?

Absolutely. The skill includes specific implementation guides for creating subscription plans, products, and managing recurring billing cycles.

Does it support PayPal Sandbox testing?

Yes, the skill includes configurations and best practices for switching between sandbox and live environments for safe development and testing.

PayPal Payment Integration

Name: PayPal Payment Integration
Author: amurata

byamurata

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E-commerce Solutions

Integrates PayPal payment processing into web applications with support for express checkout, recurring billing, and secure transaction management.

About

This skill empowers Claude to architect and implement robust PayPal payment solutions within your software projects. It provides comprehensive guidance for setting up the PayPal JavaScript SDK for frontend checkouts, managing server-side transaction verification using Python, and configuring complex workflows like recurring subscriptions and automated refund processing. Whether you are building a simple e-commerce storefront or a sophisticated SaaS billing system, this skill ensures industry best practices for security, IPN handling, and error management are followed throughout the integration lifecycle.

Key Features

Express Checkout implementation via Smart Payment Buttons and REST API
Instant Payment Notification (IPN) webhook verification and handling
International payment support and multi-currency configuration
Recurring billing and subscription plan management setup
Secure refund workflows and transaction detail tracking
3 GitHub stars

Use Cases

Implementing a tiered monthly subscription model for a SaaS platform
Adding a 'Pay with PayPal' button to a web application's checkout flow
Automating payment verification and refund processing via backend webhooks

About

Key Features

Express Checkout implementation via Smart Payment Buttons and REST API
Instant Payment Notification (IPN) webhook verification and handling
International payment support and multi-currency configuration
Recurring billing and subscription plan management setup
Secure refund workflows and transaction detail tracking
3 GitHub stars

Use Cases

Implementing a tiered monthly subscription model for a SaaS platform
Adding a 'Pay with PayPal' button to a web application's checkout flow
Automating payment verification and refund processing via backend webhooks