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payment-integration AI Agent Skill
Quellcode ansehen: unclecatvn/agent-skills
MediumInstallation
npx skills add unclecatvn/agent-skills --skill payment-integration 70
Installationen
Payment Integration
Production-proven payment processing with SePay (Vietnamese banks), Polar (global SaaS), Stripe (global infrastructure), Paddle (MoR subscriptions), and Creem.io (MoR + licensing).
When to Use
- Payment gateway integration (checkout, processing)
- Subscription management (trials, upgrades, billing)
- Webhook handling (notifications, idempotency)
- QR code payments (VietQR, NAPAS)
- Software licensing (device activation)
- Multi-provider order management
- Revenue splits and commissions
Platform Selection
| Platform | Best For |
|---|---|
| SePay | Vietnamese market, VND, bank transfers, VietQR |
| Polar | Global SaaS, subscriptions, automated benefits (GitHub/Discord) |
| Stripe | Enterprise payments, Connect platforms, custom checkout |
| Paddle | MoR subscriptions, global tax compliance, churn prevention |
| Creem.io | MoR + licensing, revenue splits, no-code checkout |
Quick Reference
SePay
references/sepay/overview.md- Auth, supported banksreferences/sepay/api.md- Endpoints, transactionsreferences/sepay/webhooks.md- Setup, verificationreferences/sepay/sdk.md- Node.js, PHP, Laravelreferences/sepay/qr-codes.md- VietQR generationreferences/sepay/best-practices.md- Production patterns
Polar
references/polar/overview.md- Auth, MoR conceptreferences/polar/products.md- Pricing modelsreferences/polar/checkouts.md- Checkout flowsreferences/polar/subscriptions.md- Lifecycle managementreferences/polar/webhooks.md- Event handlingreferences/polar/benefits.md- Automated deliveryreferences/polar/sdk.md- Multi-language SDKsreferences/polar/best-practices.md- Production patterns
Stripe
references/stripe/stripe-best-practices.md- Integration designreferences/stripe/stripe-sdks.md- Server SDKsreferences/stripe/stripe-js.md- Payment Elementreferences/stripe/stripe-cli.md- Local testingreferences/stripe/stripe-upgrade.md- Version upgrades- External: https://docs.stripe.com/llms.txt
Paddle
references/paddle/overview.md- MoR, auth, entity IDsreferences/paddle/api.md- Products, prices, transactionsreferences/paddle/paddle-js.md- Checkout overlay/inlinereferences/paddle/subscriptions.md- Trials, upgrades, pausereferences/paddle/webhooks.md- SHA256 verificationreferences/paddle/sdk.md- Node, Python, PHP, Goreferences/paddle/best-practices.md- Production patterns- External: https://developer.paddle.com/llms.txt
Creem.io
references/creem/overview.md- MoR, auth, global supportreferences/creem/api.md- Products, checkout sessionsreferences/creem/checkouts.md- No-code links, storefrontsreferences/creem/subscriptions.md- Trials, seat-basedreferences/creem/licensing.md- Device activationreferences/creem/webhooks.md- Signature verificationreferences/creem/sdk.md- Next.js, Better Auth- External: https://docs.creem.io/llms.txt
Multi-Provider
references/multi-provider-order-management-patterns.md- Unified orders, currency conversion
Scripts
scripts/sepay-webhook-verify.js- SePay webhook verificationscripts/polar-webhook-verify.js- Polar webhook verificationscripts/checkout-helper.js- Checkout session generator
Key Capabilities
| Platform | Highlights |
|---|---|
| SePay | QR/bank/cards, 44+ VN banks, webhooks, 2 req/s |
| Polar | MoR, subscriptions, usage billing, benefits, 300 req/min |
| Stripe | CheckoutSessions, Billing, Connect, Payment Element |
| Paddle | MoR, overlay/inline checkout, Retain (churn prevention), tax |
| Creem.io | MoR, licensing, revenue splits, no-code checkout |
Implementation
See references/implementation-workflows.md for step-by-step guides per platform.
General flow: auth → products → checkout → webhooks → events
Installationen
Sicherheitsprüfung
Quellcode ansehen
unclecatvn/agent-skills
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So verwenden Sie diesen Skill
Install payment-integration by running npx skills add unclecatvn/agent-skills --skill payment-integration in your project directory. Führen Sie den obigen Installationsbefehl in Ihrem Projektverzeichnis aus. Die Skill-Datei wird von GitHub heruntergeladen und in Ihrem Projekt platziert.
Keine Konfiguration erforderlich. Ihr KI-Agent (Claude Code, Cursor, Windsurf usw.) erkennt installierte Skills automatisch und nutzt sie als Kontext bei der Code-Generierung.
Der Skill verbessert das Verständnis Ihres Agenten für payment-integration, und hilft ihm, etablierte Muster zu befolgen, häufige Fehler zu vermeiden und produktionsreifen Code zu erzeugen.
Was Sie erhalten
Skills sind Klartext-Anweisungsdateien — kein ausführbarer Code. Sie kodieren Expertenwissen über Frameworks, Sprachen oder Tools, das Ihr KI-Agent liest, um seine Ausgabe zu verbessern. Das bedeutet null Laufzeit-Overhead, keine Abhängigkeitskonflikte und volle Transparenz: Sie können jede Anweisung vor der Installation lesen und prüfen.
Kompatibilität
Dieser Skill funktioniert mit jedem KI-Coding-Agenten, der das skills.sh-Format unterstützt, einschließlich Claude Code (Anthropic), Cursor, Windsurf, Cline, Aider und anderen Tools, die projektbezogene Kontextdateien lesen. Skills sind auf Transportebene framework-agnostisch — der Inhalt bestimmt, für welche Sprache oder welches Framework er gilt.
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