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tRPC

Verified Sep 2026

End-to-end typesafe APIs

Define API procedures once and get types from client to server automatically, no codegen, no schema duplication.

The RPC library that killed API layers for TS monorepos: define procedures on the server, call them fully-typed from the client, no codegen. Spurred the end-to-end typesafe wave

Who it's for

Full-stack TypeScript teams who want end-to-end typesafe APIs without schemas or codegen.

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tRPC is a component of