weblineindia/n8n-Answer-product-queries-via-WhatsApp-using-OpenAI-GPT-4o-PDF-knowledge-base
Answer customer product questions instantly on WhatsApp using a searchable PDF knowledge base. This n8n workflow automation uses GPT-4o to understand queries, extract accurate answers from documents and reply conversationally. A smart n8n workflow template for scalable support, sales enablement and self-serve automation.
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Jan 05, 2026
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