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How to Build a No-Code AI WhatsApp Customer Service Bot Using n8n

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A tutorial published on DEV Community outlines how to build a 24/7 AI-powered WhatsApp customer service bot using the no-code automation platform n8n, requiring approximately 30 minutes to set up. The workflow uses OpenAI's GPT-4o-mini model to classify incoming messages into four categories — urgent, booking, info, or other — and responds automatically with context-aware replies. Urgent messages trigger an escalation alert to the business owner via Telegram, while routine queries are handled silently by the bot. All interactions are logged to a Google Sheets spreadsheet for later review, and the setup requires a WhatsApp Business account connected through Meta's developer platform. No coding experience is needed, as the nine-node workflow is configured entirely through n8n's visual interface with credentials and business context stored in a single configuration node.

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How to Build a No-Code AI WhatsApp Customer Service Bot Using n8n · ShortSingh