Securing Shopify Webhooks: Why Verification Matters—And How to Implement It Right

Shopify webhook endpoints are publicly accessible without authentication, making them prime targets for data injection attacks. A single forged payload can corrupt records across your entire system—from ERP and CRM to fulfillment warehouses. This guide reveals why many developers unknowingly ship vulnerable implementations and provides production-ready Node.js and Python code using HMAC-SHA256 verification to protect your infrastructure.