tRPC

tRPC is a TypeScript-first framework: Build and consume end-to-end type-safe APIs without schemas, code generation, or excessive boilerplate.

tRPC (TypeScript Remote Procedure Call) delivers full static type-safety across your entire stack, eliminating the common API contract pain point. It leverages TypeScript's inference capabilities to share types directly between your client and server, catching API contract errors at build time, not runtime. This approach bypasses the need for traditional REST/GraphQL schemas and code generation, resulting in a significantly faster Developer Experience (DX) with features like client-side autocompletion. It’s framework agnostic, offering adapters for popular environments like Next.js, Express, and Fastify, making it the efficient choice for full-stack TypeScript applications.

https://trpc.io