OpenAPI Codegen: Auto-Generated Types
Generate TypeScript types from OpenAPI specs.
Welcome
OpenAPI codegen generates TypeScript types and client code from API specifications, eliminating manual type maintenance.
Why Codegen
Manually writing types for large APIs is error-prone and out of sync. Codegen derives types from the single source of truth: the OpenAPI spec.
All lessons in this course
- Typing Fetch Responses with Generic Wrappers
- Runtime Validation with Zod
- OpenAPI Codegen: Auto-Generated Types
- Type-Safe tRPC Client Overview