WhatsApp support bot with Google Drive RAG, GPT-4.1-mini and Cohere reranking
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 21 nodes and runs on WhatsApp events (messages) (plus 1 other trigger). Along the way it connects Supabase Vector Store, Google Drive, Embeddings OpenAI and OpenAI Chat Model and 3 more.
How it runs
Trigger: On WhatsApp events (messages) (plus 1 other trigger).
- Switch: routes items into 2 branches
- Edit Fields (Edit Fields (Set)): sets 1 field: id
- Merge: merges the data from its input branches
- HTTP Request: calls an HTTP API
- Download file (Google Drive): download
- Edit Fields (Edit Fields (Set)): sets 2 fields: Phone, text
- HTTP Request: calls an HTTP API
- Supabase Vector Store: stores documents in the Supabase vector store, with embeddings: Embeddings OpenAI; document loader: Default Data Loader
- AI Agent: runs an AI agent, with model: OpenAI Chat Model; 1 tool (Kknowledge_base); memory: Simple Memory
- Translate a recording (OpenAI): translate (audio)
…plus 1 more step. See the full node list below.
Services it uses
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (17)
- Supabase Vector Store
@n8n/n8n-nodes-langchain.vectorStoreSupabase - Google Drive Trigger
n8n-nodes-base.googleDriveTrigger - Edit Fields (Set)
n8n-nodes-base.set - Google Drive
n8n-nodes-base.googleDrive - Embeddings OpenAI
@n8n/n8n-nodes-langchain.embeddingsOpenAi - Default Data Loader
@n8n/n8n-nodes-langchain.documentDefaultDataLoader - Character Text Splitter
@n8n/n8n-nodes-langchain.textSplitterCharacterTextSplitter - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - AI Agent
@n8n/n8n-nodes-langchain.agent - Switch
n8n-nodes-base.switch - HTTP Request
n8n-nodes-base.httpRequest - OpenAI
@n8n/n8n-nodes-langchain.openAi - Merge
n8n-nodes-base.merge - Reranker Cohere
@n8n/n8n-nodes-langchain.rerankerCohere - WhatsApp Business Cloud
n8n-nodes-base.whatsApp - WhatsApp Trigger
n8n-nodes-base.whatsAppTrigger - Simple Memory
@n8n/n8n-nodes-langchain.memoryBufferWindow
From the author
WhatsApp RAG Agent (Text + Voice) with Weekly Google Drive Sync One-line summary : Answers WhatsApp in under 100 words, understands voice notes, and retrieves trusted answers from your Google Drive docs (RAG) kept fresh weekly. --- What this template does…