{"product_id":"whatsapp-business-gpt-4o-rag-n8n-workflow-w-qdrant-drive","title":"WhatsApp Business GPT-4o RAG n8n Workflow w\/ Qdrant \u0026 Drive","description":"\u003ch3\u003eTurn WhatsApp messages into GPT-powered answers using RAG + Qdrant + Google Drive\u003c\/h3\u003e\n\u003cp\u003eThis n8n workflow connects \u003cstrong\u003eMeta WhatsApp Business webhooks\u003c\/strong\u003e to an \u003cstrong\u003eOpenAI-powered RAG assistant\u003c\/strong\u003e that retrieves answers from a \u003cstrong\u003eQdrant vector database built from Google Drive documents\u003c\/strong\u003e—then replies directly to your customer in WhatsApp.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWebhook verification (GET):\u003c\/strong\u003e Receives the Meta webhook verification request and returns the \u003ccode\u003ehub.challenge\u003c\/code\u003e value.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncoming message handling (POST):\u003c\/strong\u003e Listens for WhatsApp events and checks whether the payload contains a user message.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eText-only support:\u003c\/strong\u003e If the incoming event is not a supported text message, the workflow sends a WhatsApp reply indicating that only text messages are supported.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRAG-enabled answering:\u003c\/strong\u003e For valid text messages, it extracts the user query and sends it to an OpenAI chat model configured with a \u003cstrong\u003ebusiness support system prompt\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEmbeddings + retrieval:\u003c\/strong\u003e Generates OpenAI embeddings for the query, retrieves relevant context from a \u003cstrong\u003eQdrant collection\u003c\/strong\u003e, and provides the retrieved documents to the agent.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhatsApp response:\u003c\/strong\u003e Sends the final agent answer back to the customer using the \u003cstrong\u003eWhatsApp Business API\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSaaS support: Answer common questions from your knowledge base stored in \u003cstrong\u003eGoogle Drive\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eCustomer onboarding: Guide users based on product docs, policies, and FAQs indexed in \u003cstrong\u003eQdrant\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eOperations teams: Provide consistent WhatsApp support without manually searching documents.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003en8n nodes\/logic:\u003c\/strong\u003e \u003cem\u003ewebhook\u003c\/em\u003e, \u003cem\u003eif\u003c\/em\u003e, \u003cem\u003eno op\u003c\/em\u003e, \u003cem\u003eWhatsApp\u003c\/em\u003e, \u003cem\u003esticky note\u003c\/em\u003e, \u003cem\u003eGoogle Drive\u003c\/em\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrations:\u003c\/strong\u003e \u003cstrong\u003eMeta WhatsApp Business\u003c\/strong\u003e webhooks, \u003cstrong\u003eOpenAI\u003c\/strong\u003e (chat + embeddings), \u003cstrong\u003eQdrant\u003c\/strong\u003e (vector retrieval), \u003cstrong\u003eGoogle Drive\u003c\/strong\u003e (document source).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKey requirements:\u003c\/strong\u003e Configure WhatsApp callback URL (GET + POST), add OpenAI credentials for chat completions and embeddings, and set up Qdrant credentials and a collection for retrieval.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45747844415667,"sku":"N8N-17647","price":3.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/jkfFY-rCeczsgFiACxKaV_Tsaf8CZe.png?v=1785488914","url":"https:\/\/buyflowscripts.com\/products\/whatsapp-business-gpt-4o-rag-n8n-workflow-w-qdrant-drive","provider":"N8N Commerce","version":"1.0","type":"link"}