The five mistakes that cause payment integrations to break in production — with no error messages to tell you why. There’s a specific kind of dread that hits when you realize your payment system has been silently failing. Users paid. Stripe processed the charge. Your database still shows pending. You don’t know how long it’s been broken. Stripe webhooks are how your server learns about events — payments succeeded, subscriptions renewed, cards expired. They’re asynchronous, they retry on failure, they can arrive out of order, and they can arrive multiple times. Most payment integration bugs don’t come from the Stripe API itself. They come from webhook handlers that look correct but aren’t. Here are the five mistakes that cause Stripe webhooks to fail silently in production — and exactly how to fix each one. 1.…