Architecting Bulletproof SaaS Billing with Stripe: Webhooks, Proration, and Usag

<p>I review a lot of webhook handlers. Roughly <strong>3 out of 5 either have a subtle signature-verification bug</strong> — or someone disabled verification entirely "to make it

<h1> Mitigating DB Lock Contention and Race Conditions in Asynchronous Webhook Ingestion </h1> <h2> 1. The Production Reality: Why Check-Then-Act Fails Under Load </h2> <p>In

<p>Our quiz app has two paid plans. Changing between them used to be three steps in this order:</p> <ol> <li>Cancel the customer's current subscription.</li> <li>Open a Stripe

<p>When I built <a href="https://github.com/rmbell09-lang/billingwatch" rel="noopener noreferrer">BillingWatch</a>, I designed it for a single Stripe account. Then people started

<p>async database processing<br /> background job processing<br /> bulk update webhooks<br /> cdc webhooks<br /> change data capture<br /> database automation<br /> database

<h1> Supabase × Stripe — Implement Subscription Billing with Edge Functions </h1> <p>Build a monthly subscription system with Stripe and Supabase Edge Functions.</p> <h2>

<p>If you process Stripe subscriptions and have never opened Workbench → Webhooks → Event deliveries (or the older Developers → Webhooks → Attempts view), there's a chance you

<p>Receiving a webhook is easy.</p> <p>Building a webhook pipeline that survives duplicate deliveries, delayed events, missing messages, invalid signatures, and seller