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AI-Powered WhatsApp Chatbot for Text, Voice, Images, and PDF with RAG

n8n template #4827

Summary

Use template
Who is this for? This template is designed for internal support teams, product specialists, and knowledge managers in technology companies who want to automate ingestion of product documentation and enable AI-driven, retrieval-augmented question answering via WhatsApp. What problem is this workflow solving? Support agents often spend too much time manually searching through lengthy documentation, leading to inconsistent or delayed answers. This solution automates importing, chunking, and indexing product manuals, then uses retrieval-augmented generation (RAG) to answer user queries accurately and quickly with AI via WhatsApp messaging. What these workflows do Workflow 1: Document Ingestion &

How to set it up

  1. Open template #4827 on n8n.io and click Use for free, or copy the template JSON and paste it onto an empty canvas in n8n.
  2. Create 6 credentials under Credentials → Add credential: Google Docs, WhatsApp Business Cloud, Embeddings OpenAI, OpenAI Chat Model, OpenAI, MongoDB Atlas Vector Store. Then open each of those nodes and pick the credential.
  3. Check the model in the AI Agent node. The template may point at a model your account can't use; swap it for one you have access to.
  4. Click Execute workflow and step through each node's output to confirm the data looks right.
  5. Toggle the workflow to Active so its trigger runs on its own.

Hand off to your agent

Prompt

Help me set up the n8n workflow "AI-Powered WhatsApp Chatbot for Text, Voice, Images, and PDF with RAG" (https://n8n.io/workflows/4827). It uses: HTTP Request, Google Docs, WhatsApp Business Cloud, Code, AI Agent, Embeddings OpenAI, OpenAI Chat Model, Simple Memory, Recursive Character Text Splitter, Default Data Loader, OpenAI, MongoDB Atlas Vector Store. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.

Paste into Claude Code and it will do the rest.

Apps and nodes

HTTP RequestGoogle DocsWhatsApp Business CloudCodeAI AgentEmbeddings OpenAIOpenAI Chat ModelSimple MemoryRecursive Character Text SplitterDefault Data LoaderOpenAIMongoDB Atlas Vector Store

Questions

Yes. NovaNode published it free on n8n.io as a verified creator, and it has 47K views. It runs on n8n Cloud or a self-hosted n8n instance.

Google Docs, WhatsApp Business Cloud, Embeddings OpenAI, OpenAI Chat Model, OpenAI, MongoDB Atlas Vector Store. The other 6 nodes are built into n8n.

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