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Shopify Webhooks

How to Test Shopify Webhooks Locally (2026)

Shopify webhooks notify your application about store events like new orders, product updates, and customer registrations. Shopify signs webhooks with HMAC-SHA256 using your app's API secret.

With HookSense, point Shopify at a callback endpoint and let an AI agent await the result over MCP: create_callback_endpoint → wait_for_callback → verify_signature. Run npx @hooksense/mcp in Claude Desktop, Cursor, or any MCP client. No polling.

Signature Header

X-Shopify-Hmac-Sha256

Algorithm

HMAC-SHA256 (Base64)

Setup Guide

  1. 1Create a free HookSense endpoint at hooksense.com
  2. 2Copy your unique webhook URL
  3. 3In Shopify Admin → Settings → Notifications → Webhooks
  4. 4Click 'Create webhook' and select the event
  5. 5Paste your HookSense URL as the callback URL
  6. 6Your app's API secret key is used for HMAC — add it to HookSense
  7. 7Place a test order or update a product to trigger the webhook

Common Shopify Webhook Events

orders/create
orders/updated
orders/paid
orders/cancelled
products/create
products/update
customers/create
app/uninstalled

Forward to Localhost

Use HookSense CLI to forward Shopify webhooks directly to your local development server:

npx hooksense listen -p 3000 --path /api/integrations/shopify

No ngrok or tunnel setup required. Install with npm i -g hooksense or use npx.

Tips & Best Practices

  • Shopify uses Base64-encoded HMAC — HookSense handles this automatically
  • Mandatory webhooks (GDPR) must be registered in your Partner Dashboard
  • Use HookSense to inspect the full payload structure before writing your handler
  • Shopify has rate limits on webhook subscriptions — monitor with HookSense

Related

Shopify Webhook Documentation HMAC Signature Calculator HMAC Verification Guide HookSense Documentation

Give your agent a Shopify callback

Create a free callback endpoint and have an agent await its first verified Shopify webhook over MCP. Paid plans are early-access.

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