Building a Webhook Systems with NestJS: Handling Retry, Security, Dead-letter Queues, and Rate Limiting ✨

Building a Webhook Systems with NestJS: Handling Retry, Security, Dead-letter Queues, and Rate Limiting ✨

Webhooks are a powerful way to enable real-time communication between services. But what happens if a webhook fails? Or if a malicious user floods your endpoint with spam? In this guide, we’ll build a resilient webhook system in NestJS that includes: Webhook sender: Securely signing and sending webhooks. Webhook receiver: Verifying, processing, and retrying failed webhooks. Dead-letter queues (DLQ): Handling persistent failures gracefully. R…