Webhook Testing Guides

Capture payment_intent.succeeded, invoice.paid, and checkout.session.completed events. Includes Stripe CLI setup and signature verification.

Debug push, pull_request, and workflow_run events. Covers HMAC-SHA256 signature validation and delivery header inspection.

Test Slack incoming webhooks and slash commands. Covers the URL verification challenge, block kit payloads, and retries.

Send and inspect Discord webhook messages. Test embed payloads, bot messages, and alert notifications.

Capture orders/create, fulfillments/create, and refunds/create events. Covers HMAC verification and Shopify webhook registration.

Debug n8n webhook trigger nodes. Covers production vs test mode, authentication, and payload mapping.

Test Zapier Catch Hook and Send Webhook steps. Inspect what Zapier sends and verify your zap receives the right payload.

Everything you need to know about testing webhooks — from capturing your first payload to production monitoring.

Test webhooks on localhost without deploying. Use forwarding rules to relay live webhook traffic to your local development server.

Diagnose failed webhooks, missing events, and signature mismatches. A systematic approach to tracking down webhook bugs.

Verify webhook signatures, use HTTPS, implement idempotency, and protect against replay attacks.

The fundamental difference between REST APIs and webhooks, when to use each, and how they work together in modern architectures.