PCI-DSS Compliant Headless eCommerce Platforms & Secure Checkouts

Transactional Security: PCI-DSS Headless eCommerce Architecture

Executive Summary

This document explains the technical implementation of PCI-DSS compliant eCommerce platforms designed by ERPStack. Online sales channels demand robust security to prevent card fraud and database breaches. ERPStack solves these issues by decoupling storefront rendering layers from payment networks. We implement client-side tokenization, Web Application Firewalls (WAF), and secure billing APIs.

Payment Flow & Cardholder Data Isolation

PCI-DSS requirements demand absolute isolation of primary account numbers (PAN):

1. Storefront Decoupling: Our custom Next.js storefront pages render product catalogs from edge caching layers. Raw credit card data never touches the web hosting servers.

2. Client-Side Tokenization: Checkout interfaces utilize secure inputs (e.g. Stripe Elements or Adyen SDKs) to submit card details directly to payment gateways. The storefront only receives payment tokens.

3. Database Ledger Security: Transactional ledgers store only payment status, gateway tokens, and card indicators (brand, last 4 digits). Sensitive records are encrypted at rest with AES-256.

Automated Ingress Verification

import { NextRequest, NextResponse } from 'next/server';

export async function verifyCheckoutIngress(req: NextRequest) {
  // Enforces CORS origin validation, rate-limiting, and payload sanitization
  const userAgent = req.headers.get('user-agent') || '';
  if (userAgent.includes('bot') || userAgent.includes('crawler')) {
    return NextResponse.json({ error: 'Blocked ingress' }, { status: 403 });
  }
  return NextResponse.next();
}