Agent skill · marketing growth · aiskillstore
paypal-integration
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.
Why this skill is useful
Provides specific integration patterns and API commands for PayPal that the AI wouldn't reliably generate on its own.
What it needs
Requires paypal account access. About 5k tokens when loaded. Last updated 2026-08-07. 405 stars on the source repository.
What this skill does
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 Express Checkout Implementation Server-Side Order Creation IPN (Instant Payment Notification) Handling IPN Verification and Processing Subscription/Recurring Billing Create Subscription Plan Refund Workflows Error Handling Testing Resources references/express-checkout.md: Express Checkout implementation guide references/ipn-handling.md: IPN verification and processing references/refund-workflows.md: Refund handling patterns references/billing-agreements.md: Recurring billing setup assets/paypal-client.py: Production PayPal client assets/ipn-processor.py: IPN webhook processor assets/recurring-billing.py: Subscription management Best Practices 1. Always Verify IPN: Never trust IPN without verification 2. Idempotent Processing: Handle duplicate IPN notifications 3. Error Handling: Implement robust error handling 4. Logging: Log all transactions and errors 5. Test Thoroughly: Use sandbox extensively 6. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills aiskillstore/paypal-integration--5ea8e9