Agent skill · marketing growth · sickn33
paypal-integration
Master PayPal payment integration including Express Checkout, IPN handling, recurring billing, and refund workflows.
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 6k tokens when loaded. Last updated 2026-08-07. 44,571 stars on the source repository.
What this skill does
Supporting material availability The following are external prerequisites, not bundled files: <support-root>/references/express-checkout.md, <support-root>/references/ipn-handling.md, <support-root>/references/refund-workflows.md, <support-root>/references/billing-agreements.md, <support-root>/assets/paypal-client.py, <support-root>/assets/ipn-processor.py, <support-root>/assets/recurring-billing.py. Obtain them from the original source or an existing installation and inspect them before use. Do not execute or claim completion of a dependent step until its required file exists; report unavailable steps. The fully documented inline workflow remains usable within the authorized scope. PayPal Integration Master PayPal payment integration including Express Checkout, IPN handling, recurring billing, and refund workflows. Do not use this skill when The task is unrelated to paypal integration You need a different domain or tool outside this scope Instructions Clarify goals, constraints, and required inputs. Apply relevant best practices and validate outcomes. Provide actionable steps and verification. Use this skill when 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. …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills sickn33/paypal-integration--4b81f5