Webhook Guardian's blog covers webhook failure detection, Stripe delivery log monitoring, Shopify silent failures, and GitHub webhook debugging — practical guides for engineers building reliable event-driven systems.

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Webhook monitoring guides for engineers

Practical guides on detecting failures before your customers do — for Stripe, Shopify, and GitHub.

Stripe 6 min read May 20, 2026

How to Know When a Stripe Webhook Fails

Stripe retries silently for 72 hours before notifying you. Here is how to detect a failed Stripe webhook within minutes — not hours.

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Shopify 7 min read May 20, 2026

Why Shopify Webhooks Fail Silently — and How to Catch Them

Shopify retries 19 times over 48 hours then deletes your webhook subscription without warning. Learn how to intercept the first failure before the cascade begins.

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GitHub 5 min read May 20, 2026

GitHub Webhook Delivery Logs: What They Show and What They Miss

GitHub stores 72 hours of webhook delivery history. Learn what the delivery log contains, how to read it, and why polling it beats waiting for GitHub to tell you something broke.

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Webhooks 8 min read May 20, 2026

How to Test Webhooks Locally: Stripe CLI, ngrok, and smee.io

Local webhook testing requires a public URL your laptop doesn't have. This guide covers the Stripe CLI, ngrok, and smee.io — and explains what local testing misses that only production monitoring catches.

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Security 7 min read May 20, 2026

Webhook Security Guide: Signature Verification for Stripe, Shopify, and GitHub

How to verify webhook signatures from Stripe (Stripe-Signature), Shopify (X-Shopify-Hmac-SHA256), and GitHub (X-Hub-Signature-256) — and what happens when verification fails.

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Stripe 6 min read May 20, 2026

Stripe invoice.payment_failed: What It Is and How to Handle It

The invoice.payment_failed webhook fires when a subscription renewal charge fails. Here's the payload structure, what your handler should do, and why silent delivery failures cause serious billing drift.

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Webhooks 7 min read May 20, 2026

Webhook Idempotency: Why You Must Handle Duplicate Events

Stripe and Shopify may deliver the same webhook event more than once. Without idempotency, you risk charging a customer twice or fulfilling an order twice. Here's how to implement it.

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Webhooks 6 min read May 20, 2026

How to Replay a Failed Webhook: Stripe, Shopify, and GitHub

When a webhook fails, you can replay it manually from each platform's dashboard. This guide shows exactly how — and why one-click replay from your monitoring alert is faster.

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Security 8 min read May 20, 2026

Webhook Signature Verification in Node.js: Stripe, Shopify, and GitHub

How to verify webhook signatures from Stripe, Shopify, and GitHub in Node.js — with working code examples for each platform's HMAC verification method.

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