I Built an Open Webhook Gateway — Here's Why and How

Every app I've built in the last few years has had the same problem: webhooks are unreliable. Stripe sends a payment event, but my server is restarting. GitHub sends a push notification, but my endpoint returns a 500. Shopify fires an order webhook, but I have no idea if it actually arrived. Sound familiar? I got tired of rebuilding the same retry logic, signature verification, and logging infrastructure for every project. So I built UpSec — a webhook gateway that sits between providers and your application. The Problem with Raw Webhooks Webhooks are fire-and-forget. The sender makes one HTTP request and moves on. If your server is down, overloaded, or returning errors — that data is gone forever. Here are the three critical risks: Data Loss — Your server is offline for 30 seconds during a deploy. A Stripe payment_intent.succeeded event fires. You never receive it. The customer paid, but your system doesn't know. Security — Anyone can POST to your webhook URL. Without HMAC signature ve