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T3 Stack · Concept

Error formatting

tRPC lets you define backend APIs as TypeScript procedures and call them from the frontend with inferred types. It provides type safety and editor completion without separate API code generation.

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Syntax

createTRPCRouter({ procedureName: publicProcedure.input(schema).query(handler) })

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