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Langflow · Environment Variable

LANGFLOW_SUPERUSER_PASSWORD

Langflow supports user sign-in, Langflow API keys, and session tokens. Disable automatic login, set a strong superuser password, and protect the server before exposing it to other users or networks.

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Syntax

LANGFLOW_AUTO_LOGIN=false
LANGFLOW_SUPERUSER_PASSWORD=<strong-password>
LANGFLOW_SECRET_KEY=<secret-key>
x-api-key: <langflow-api-key>

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  • LANGFLOW_AUTO_LOGIN
  • LANGFLOW_SECRET_KEY
  • LANGFLOW_SUPERUSER
  • LANGFLOW_SUPERUSER_PASSWORD
  • LANGFLOW_SKIP_AUTH_AUTO_LOGIN
  • LANGFLOW_DISABLE_TRACK_APIKEY_USAGE
  • LANGFLOW_ENABLE_SUPERUSER_CLI
  • LANGFLOW_NEW_USER_IS_ACTIVE

Source: API keys and authentication | Langflow Documentation. Checked 2026-11-03.