# Create a variable (/api-reference/environment-variables/create-a-variable)

Creates a new environment variable. Keys must be uppercase with underscores only (e.g. BASE_URL). Secret variables are encrypted at rest and masked in API responses.

{/* This file was generated by scripts\/generate-docs.mjs. Do not edit this file directly. Regenerate with pnpm run build:docs. */}

<APIPage document={"content/openapi/novu-spec.json"} operations={[{"path":"/v1/environment-variables","method":"post"}]} webhooks={[]} hasHead={false} />