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T3 Stack · Concept

Type inference helpers

tRPC lets you build end-to-end type-safe APIs in TypeScript. The frontend can call backend procedures with inferred types and autocomplete, without code generation or runtime bloat.

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Syntax

createTRPCRouter({ procedureName: publicProcedure.input(schema).query(({ ctx, input }) => result) })

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  • TypeScript
  • Next.js
  • Prisma
  • Zod

Source: tRPC • Create T3 App. Checked 2026-11-03.