claudegoodies
Skill

paypal-integration

From wshobson

Integrate PayPal payment processing with support for express checkout, subscriptions, and refund management. Use when implementing PayPal payments, processing online transactions, or building e-commerce checkout flows.

Facts

Repository
wshobson/agents
Status
Actively maintained
Last commit
Source file
plugins/payment-processing/skills/paypal-integration/SKILL.md

Source preview

The instructions Claude Code reads when this skill runs.

# PayPal Integration

Master PayPal payment integration including Express Checkout, IPN handling, recurring billing, and refund workflows.

## When to Use This Skill

- Integrating PayPal as a payment option
- Implementing express checkout flows
- Setting up recurring billing with PayPal
- Processing refunds and payment disputes
- Handling PayPal webhooks (IPN)
- Supporting international payments
- Implementing PayPal subscriptions

## Core Concepts

### 1. Payment Products

**PayPal Checkout**

- One-time payments
- Express checkout experience
- Guest and PayPal account payments

**PayPal Subscriptions**

- Recurring billing
- Subscription plans
- Automatic renewals

**PayPal Payouts**

- Send money to multiple recipients
- Marketplace and platform payments

### 2. Integration Methods

**Client-Side (JavaScript SDK)**

- Smart Payment Buttons
- Hosted payment flow
- Minimal backend code

**Server-Side (REST API)**

- Full control over payment flow
- Custom checkout UI
- Advanced features

### 3. IPN (Instant Payment Notification)

- Webhook-like payment notifications
- Asynchronous payment updates
- Verification required

## Quick Start

```javascript
// Frontend - PayPal Smart Buttons
<div id="paypal-button-container"></div>

<script src="https://www.paypal.com/sdk/js?client-id=YOUR_CLIENT_ID&currency=USD"></script>
<script>
  paypal.Buttons({
    createOrder: function(data,
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