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The1Studio
The1StudioOFFICIAL
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payment-integration

Integrate Polar.sh and SePay.vn payment gateways into applications.

Updated Aug 23, 2026
Search Tags:#subscriptions#e-commerce#webhooks#payment integration#sepay.vn#checkout flow#polar.sh#payment gateway
One-click install
npx skills add https://github.com/The1Studio/ClaudeAssistant --skill payment-integration
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: payment-integration
Source: https://github.com/The1Studio/ClaudeAssistant/tree/main/.claude/skills/payment-integration
Command: npx skills add https://github.com/The1Studio/ClaudeAssistant --skill payment-integration

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires express, body-parser, crypto, axios, dotenv, and includes scripts (resource) and references (resource) components.

What problem does it solve? This Skill provides comprehensive guidance for integrating payment gateways like Polar.sh and SePay.vn into applications. It simplifies the complex process of handling API integrations, SDK usage, webhook processing, and designing secure checkout flows, enabling developers to implement robust payment solutions.

Core Features & Use Cases:

  • Gateway-Specific Integration: Covers detailed steps for integrating Polar.sh for subscriptions and SePay.vn for QR code payments, including their respective APIs and SDKs.
  • Secure Payment Processing: Guides on handling webhooks securely, managing products and subscriptions, and implementing best practices for PCI compliance.
  • Use Case: An e-commerce platform needs to integrate a new payment gateway to support subscriptions and local payment methods. This skill can guide the developer through the API integration, setting up webhooks, and ensuring the checkout flow is secure and user-friendly.

Quick Start: Integrate Polar.sh into a Node.js application to handle subscription payments, including setting up webhooks for payment status updates.