Agent skill · software engineering · samhvw8
payment-integration
Payment gateway integration. Providers: SePay (Vietnamese: VietQR, bank transfer, cards), Polar (global SaaS: subscriptions, usage-based billing). SDKs: Node.js, PHP, Python, Go, Laravel, Next.js. Capabilities: checkout flows, subscription management, webhooks, QR code generation, benefit automation, tax compliance. Actions: integrate, implement, configure, handle payments/subscriptions/webhooks. Keywords: payment gateway, SePay, Polar, VietQR, bank transfer, subscription, usage-based billing, checkout, webhook, QR code, API key, OAuth2, product management, customer portal, tax compliance, MoR, recurring payment, invoice. Use when: integrating payment processing, implementing checkout, managing subscriptions, handling payment webhooks, generating payment QR codes, building billing systems.
Why this skill is useful
Adds 3 executable scripts for webhook verification and checkout session generation that aren't in public docs.
What it needs
Requires go, node, php, python installed locally. Requires polar, sepay account access. About 3k tokens when loaded. Last updated 2025-12-09. 10 stars on the source repository.
What this skill does
Payment Integration Implement payment processing with SePay (Vietnamese payments) and Polar (global SaaS monetization). When to Use Use when implementing: Payment gateway integration (checkout, processing) Subscription management (trials, upgrades, billing) Webhook handling (payment notifications) QR code payments (VietQR, NAPAS) Usage-based billing (metering, credits) Automated benefit delivery (licenses, GitHub access, Discord roles) Customer portals (self-service management) Bank transfer automation (Vietnamese banks) Product catalogs with pricing Platform Selection Choose SePay for: Vietnamese market (VND currency) Bank transfer automation VietQR/NAPAS payments Local payment methods Direct bank account monitoring Choose Polar for: Global SaaS products Subscription management Usage-based billing Automated benefits (GitHub, Discord, licenses) Merchant of Record (tax compliance) Digital product sales Quick Reference SePay Integration Overview & Auth: references/sepay/overview.md - Platform capabilities, API/OAuth2 auth, supported banks API Reference: references/sepay/api.md - Endpoints, transactions, bank accounts, virtual accounts Webhooks: references/sepay/webhooks.md - Setup, payload structure, verification, retry logic SDK Usage: references/sepay/sdk.md - Node.js, PHP, Laravel implementations QR Codes: references/sepay/qr-codes.md - VietQR generation, templates, integration Best Practices: references/sepay/best-practices.md - Security, patterns, monitoring Polar Integration Overview & Auth: references/polar/overview.md - Platform capabilities, authentication methods, MoR concept Products & Pricing: references/polar/products.md - Product types, pricing models, usage-based billing Checkouts: references/polar/checkouts.md - Checkout flows, embedded checkout, links Subscriptions: references/polar/subscriptions.md - Lifecycle, upgrades, downgrades, trials Webhooks: references/polar/webhooks.md - Event types, signature verification, monitoring Benefits: references/po …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills samhvw8/payment-integration