shopify-webhooks-events

# Shopify Webhooks & Events ## Overview Register webhooks via GraphQL, handle events with HMAC verification, and implement the mandatory GDPR compliance webhooks required for Shopify App Store submission. ## Prerequisites - Shopify app with API credentials configured - HTTPS endpoint accessible from the internet (use `shopify app dev` tunnel for local) - API secret for HMAC webhook verification ## Instructions ### Step 1: Register Webhooks via GraphQL ```typescript // Register a webhook subscription const REGISTER_WEBHOOK = ` mutation webhookSubscriptionCreate($topic: WebhookSubscriptionTopic!, $webhookSubscription: WebhookSubscriptionInput!) { webhookSubscriptionCreate(topic: $topic, webhookSubscription: $webhookSubscription) { webhookSubscription { id topic endpoint { ... on WebhookHttpEndpoint { callbackUrl } } format } userErrors { field message } } } `; // Common webhook topics const topics = [ "ORDERS_CREATE", "ORDERS_UPDATED", "ORDERS_PAID", "ORDERS_FULFILLED", "PRODUCTS_CREATE", "PRODUCTS_UPDATE", "PRODUCTS_DELETE", "CUSTOMERS_CREATE", "CUSTOMERS_UPDATE", "APP_UNINSTALLED", "INVENTORY_LEVELS_UPDATE", ]; for (const topic of topics) { await client.request(REGISTER_WEBHOOK, { variables: { topic, webhookSubscription: { callbackUrl: "https://your-app.example.com/webhooks", format: "JSON", }, }, })...