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HsnSaboor
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payment-integration

Integrate SePay and Polar payment gateways for subscriptions and billing.

Updated Jan 21, 2026
Search Tags:#webhook#billing#checkout#payment gateway#subscription#polar#sepay
One-click install
npx skills add https://github.com/HsnSaboor/open-engineer --skill payment-integration-hsnsaboor
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: payment-integration
Source: https://github.com/HsnSaboor/open-engineer/tree/main/src/skills/bundled/samhvw8-payment-integration
Command: npx skills add https://github.com/HsnSaboor/open-engineer --skill payment-integration-hsnsaboor

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill streamlines the integration of payment processing and subscription management into applications, handling complex financial workflows and compliance.

Core Features & Use Cases

  • Dual Gateway Support: Integrates with SePay (Vietnamese focus) and Polar (global SaaS).
  • Comprehensive Functionality: Supports checkouts, subscriptions, webhooks, QR codes, and automated benefits.
  • Use Case: A SaaS startup needs to offer recurring subscriptions with global payment options and automated license key delivery upon successful payment. This Skill provides the tools to integrate Polar for this entire workflow.

Quick Start

Integrate SePay for payment processing using the provided references and scripts.

Frequently Asked Questions about payment-integration

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

FAQPage Schema
How do I integrate a payment gateway for SaaS subscriptions?▼

You can integrate a payment gateway for SaaS subscriptions by connecting Polar to handle global recurring checkouts, usage-based billing, and automated license key delivery upon successful payment.

Can I process Vietnamese bank transfers and generate VietQR codes?▼

Yes, you can process Vietnamese bank transfers and generate VietQR codes by utilizing the SePay gateway integration, which supports local payment workflows and QR code generation.

How do I automate benefit delivery after a successful checkout?▼

You automate benefit delivery after a successful checkout by configuring webhook verification to catch payment events and trigger automated license key distribution or access provisioning.

What is the best way to manage usage-based billing for a SaaS application?▼

The best way to manage usage-based billing for a SaaS application is using Polar to process global subscriptions, calculate variable usage costs, and automate recurring checkout workflows.

Does webhook verification work with both SePay and Polar gateways?▼

Yes, webhook verification works with both SePay and Polar gateways to securely validate payment events, ensuring accurate transaction processing and automated benefit fulfillment.

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