📰 Dev.to · EventDock

Verify Shopify webhook signatures correctly: X-Shopify-Hmac-Sha256 is HMAC-SHA256 over the raw request body keyed with your app client secret, base64-encoded. T

Verify Razorpay webhook signatures correctly: X-Razorpay-Signature is HMAC-SHA256 (hex) over the raw request body keyed with your webhook secret. The raw-body t

Verify Square webhook signatures correctly: the x-square-hmacsha256-signature header signs the notification URL plus the raw body with HMAC-SHA-256, Base64-enco

We tested Hookdeck and EventDock side by side. Comparison table of pricing ($0 vs $29/mo), latency, DLQ, retries, and which is better for your stack.

A practical webhook security checklist to run before launch: raw-body signature verification, constant-time comparison, replay windows, secret handling, idempot

Verify Slack requests correctly: the v0 HMAC-SHA256 over v0:timestamp:body, the X-Slack-Signature and X-Slack-Request-Timestamp headers, the raw-body trap, the

Validate Twilio webhooks correctly: X-Twilio-Signature is an HMAC-SHA1 over the full URL plus sorted POST params keyed with your Auth Token. The URL-reconstruct

How 5 providers sign webhooks, side by side, and the raw-body trap almost all share.

v1 vs v2 vs v3 HubSpot signatures, the exact X-HubSpot-Signature-v3 verification, and the raw-body and full-URI traps.

The exact Paddle Billing signature verification, the raw-body trap that fails every event, framework fixes, and Billing vs Classic.

This guide also lives on eventdock.app. Your GitHub webhook handler responds 400 with: {"error":...

I recently shipped a webhook relay service on Cloudflare Workers and hit some genuinely painful...

Every major webhook provider — Stripe, Shopify, GitHub, Twilio — delivers webhooks with at-least-once...

If you run a Shopify store with custom integrations, you've probably hit this: an order comes in, but...

Four production bugs on Cloudflare Workers. All invisible in staging. Each one silently dropping data while dashboards looked healthy.

If you're researching webhook infrastructure, you've probably seen both Svix and EventDock. They...

You built an entire SaaS in a weekend. Cursor, Copilot, or Claude wrote most of the code. It works,...