How to Build a Branded, Secure Chat UI on Top of n8n's Chat Trigger Webhook

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n8n's Chat Trigger node creates an HTTP endpoint that accepts a user message and returns a bot reply, but it does not include any frontend UI or widget. Developers embedding this in a real product must build or configure a separate chat interface that handles branding, session management, and security. Two open-source options — n8n's own Vue-based @n8n/chat widget and the Svelte-based ChatFlowGateUI — follow the same webhook contract and can be mounted via an iframe to prevent CSS conflicts with the host page. Theme presets and configuration options allow developers to control visual style, layout mode, streaming, and session persistence without extensive custom code. Protecting the webhook URL from public exposure through browser dev tools is highlighted as a critical step often skipped in basic tutorials.

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