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T3 Stack · Pipe

runtimeEnv

T3 Env Core validates server and client environment variables with typed schemas. It works with any framework and can use validators that support Standard Schema.

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Syntax

createEnv({ server, clientPrefix, client, runtimeEnv, emptyStringAsUndefined, runtimeEnvStrict })

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  • Next.js
  • Nuxt
  • Standard Schema
  • Customization
  • Zod

Source: Core ⋅ T3 Env. Checked 2026-11-03.