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vuminhieu
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payment-integration

Integrate SePay and Polar payment platforms for checkout, webhooks, and billing workflows.

Updated Feb 2, 2026
Search Tags:#integration#SDK#payment#webhook#checkout#Polar#SePay
One-click install
npx skills add https://github.com/vuminhieu/spexor-client --skill payment-integration-vuminhieu
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: payment-integration
Source: https://github.com/vuminhieu/spexor-client/tree/main/.agent/skills/skills/payment-integration
Command: npx skills add https://github.com/vuminhieu/spexor-client --skill payment-integration-vuminhieu

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill unifies complex SePay and Polar payment integrations, enabling teams to implement secure, scalable checkout, billing, and webhook workflows with minimal friction.

Core Features & Use Cases

  • End-to-end payment flows: Manage checkout sessions, QR code payments, bank transfers, and subscriptions across SePay and Polar.
  • Webhook-driven automation: Respond to order, subscription, and benefit events to keep systems in sync.
  • Progressive references & SDKs: Includes step-by-step references and code samples for Node.js, PHP, Python, Go, and frameworks like Laravel and Next.js.

Quick Start

Load the SKILL.md frontmatter, progressively load the references (references/sepay/* and references/polar/*), and run scripts/checkout-helper.js to bootstrap sample SePay and Polar checkout flows.

Frequently Asked Questions about payment-integration

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I integrate SePay and Polar checkout sessions with webhook automation?▼

You can integrate SePay and Polar checkout by using progressive references and ready-to-run SDK examples to manage checkout sessions and automate webhook events for orders, subscriptions, and benefits.

What is the best way to handle Vietnamese VietQR and NAPAS bank transfers?▼

Handle Vietnamese VietQR and NAPAS bank transfers by utilizing SePay integration references, which provide progressive steps and code samples to securely manage local payment workflows.

Can I use Polar for global subscription and usage-based billing?▼

Yes, Polar supports global monetization including subscriptions, usage-based billing, and automated benefits, managed via API access tokens and integrated using the provided SDK references.

Do I need Node.js and npm to run the payment integration scripts?▼

Yes, Node.js and npm are required to execute the checkout scripts. You also need Polar access tokens and SePay API keys or OAuth2 to authenticate and securely handle credentials for production.

Does this payment integration provide SDK examples for Python, Go, and Laravel?▼

Yes, it includes progressive references and ready-to-run SDK examples for Node.js, PHP, Python, Go, and frameworks like Laravel and Next.js to implement secure checkout and billing workflows.

How do webhooks keep my system in sync with Polar subscription events?▼

Webhooks keep your system in sync by triggering automated responses to Polar order, subscription, and benefit events, ensuring your local billing workflows and systems remain consistently updated.

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