Debugging Payment Webhook Failures in ASP.NET Core

Payment integrations are common in modern applications. Services like Stripe, WorldPay, and other gateways rely heavily on * webhooks * to notify your system about events such as successful payments, failed transactions, refunds, or subscription updates. While implementing these integrations in ASP.NET Core, one issue I frequently encountered was debugging webhook failures . When a webhook fails, it can be difficult to understand: What payload was received? What event type triggered the webhook? Did the processing fail? What error occurred? Without proper logging, troubleshooting becomes frustrating. The Problem with Webhook Debugging Most payment providers send webhook events with a large JSON payload. For example: { "id": "evt_123456", "type": "payment_failed", "data": { "object": { "id": "pi_987654", "amount": 5000, "currency": "usd", "status": "failed" } } } If something goes wrong during processing, you usually need to: Inspect logs Check database records Reproduce the issue local