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Webhook testing tutorials, tips, and integration guides.

guides16 min readApril 24, 2026

Webhook Security Best Practices: Complete Guide

A webhook endpoint is a public POST that triggers business logic — and one of the most under-defended surfaces in code reviews. Most webhook security incidents I have seen were not sophisticated; attackers walked through the front door because nobody locked it. Here is the actual threat model and the 10 layers of defense in depth that keep them out.

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Testing5 min readApril 21, 2026

How to Test Shopify Webhooks Locally

Testing Shopify webhooks locally without a live store or deployment. Covers WebhookWhisper forwarding, Shopify CLI, manual curl testing, and signature verification — end to end.

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Best Practices18 min readApril 21, 2026

Webhook Best Practices for 2026

Best-practices lists are usually marketing copy. This is not one. These are the patterns I have watched companies adopt only after an incident. Most are easy on day one of an integration and impossible to retrofit cleanly after a year of accumulated handler code.

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Implementation5 min readApril 21, 2026

Building a Webhook Receiver in Go

Go's standard library has everything you need for a webhook receiver: net/http, crypto/hmac, crypto/sha256. Here's the complete implementation with signature verification and async processing.

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Reliability16 min readApril 21, 2026

Webhook Retry Logic: How Providers Retry Failed Deliveries

Retry logic is the most consequential part of a webhook stack and the least visible until something goes wrong. Per-provider retry schedules, the exponential-backoff math, why your handler must be idempotent, when to use a dead-letter queue, and the receiver-side patterns that scale.

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Fundamentals14 min readApril 21, 2026

Webhook vs API: Key Differences Explained (2026)

APIs and webhooks both move data over HTTP. They look almost identical from a tooling perspective. But they work in fundamentally opposite directions, and choosing the wrong one for a given job adds latency, infrastructure cost, and complexity that compounds for the life of the integration.

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guides8 min readApril 12, 2026

How to Test Webhooks Locally in 2026 (4 Methods Compared)

Your webhook handler runs on localhost. The provider needs a public HTTPS URL. Something has to bridge that gap. This guide compares every approach — cloud relay, ngrok, provider CLIs, and direct payload testing — so you can pick the right one and start receiving real events locally in minutes.

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guides7 min readApril 12, 2026

Webhook vs Polling: When to Use Each (And When to Use Both)

Webhooks push data to you the moment something happens. Polling pulls data on a schedule. Both patterns have trade-offs — latency, complexity, reliability, and cost. This guide breaks down exactly when to use each, with real-world examples from payments, CI/CD, and data sync scenarios.

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guides18 min readApril 12, 2026

Stripe Webhook Signature Verification: Complete Guide (2026)

Stripe signs every webhook with HMAC-SHA256. Without verification, anyone who knows your endpoint URL can POST a fake payment_intent.succeeded and trigger your fulfilment. This is the version of the guide I wish I had when I shipped HMAC signing on our own sender side and made every mistake below.

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guides6 min readApril 12, 2026

How to Test Shopify Webhooks Locally (Without Deploying)

Shopify webhooks power order fulfilment, inventory sync, and customer events — but testing them locally means you need a public HTTPS URL that Shopify can reach. This guide shows the fastest way to receive Shopify events locally, inspect payloads, verify HMAC signatures, and iterate without a single deploy.

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guides7 min readApril 11, 2026

How to Test GitHub Webhooks Locally (Without ngrok)

Building a GitHub bot, CI trigger, or PR automation means dealing with GitHub webhooks. Testing them requires a public HTTPS URL that GitHub can reach — which usually means ngrok or deploying to staging. This guide shows the fastest way to test GitHub webhooks locally with no tunnel, no binary install, and no deploy.

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guides18 min readApril 11, 2026

How to Debug Webhooks: A Practical Guide for 2026

Webhooks fail in ways nothing else fails — silently, asynchronously, with bytes that may have been mutated by middleware before your handler sees them. This is the consolidated playbook: which order to check things in, the 7 failure classes that cover every bug, and the production-grade fixes so you do not hit the same bug twice.

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guides20 min readApril 11, 2026

How to Forward Webhooks to Localhost Without ngrok

Most "how to forward webhooks to localhost" guides are product pitches with a thin tutorial wrapper. This is the architecture-first version: what tunnels, provider CLIs, and capture-and-forward services actually do, where each one breaks, and how to choose without getting burned.

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guides15 min readApril 11, 2026

How to Test Stripe Webhooks Without Deploying to Production

There are now four serious ways to test Stripe webhooks locally — Stripe CLI, ngrok, capture-and-forward services, Dashboard test events — each with different tradeoffs. The right answer depends on what specifically you are testing: signature verification, handler logic, edge cases like disputes, or end-to-end checkout flows.

Abinash BRead more