error-handling

Exception filters in NestJS

Exception filters are where a NestJS application decides what an error looks like to the client. This chapter covers the built-in HTTP exceptions, attaching a cause, custom exception classes, writing a filter, and a catch-all filter that gives every error one shape.

November 1, 2026 · Server Development / NestJS / Request Lifecycle

• nestjs
• typescript
• server-development
• request-lifecycle
• error-handling