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metadata
title: AI environment variables
description: Manage AI features in your n8n instance.
contentType: reference
tags:
  - environment variables
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AI environment variables

--8<-- "_snippets/self-hosting/file-based-configuration.md"

Variable Type Default Description
N8N_AI_ENABLED Boolean false Whether AI features are enabled (true) or not (false). Enables Ask AI for the HTTP node.
N8N_AI_PROVIDER String openai The AI provider to use. Currently, n8n only supports OpenAI.
N8N_AI_OPENAI_API_KEY String - Your OpenAI API key.