WhatsApp AI assistant for Q&A & bookings with Gemini, Pinecone & Google Sheets
Needs changesNeeds changes. This template uses 1 thing(s) that n8n 3.0 removes: AI Agent v1 (old agent modes). 1 breaking item(s) found. Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 22 nodes and runs manually, when you click “Execute workflow” (plus 1 other trigger). Along the way it connects WhatsApp Business Cloud, Google Gemini Chat Model, Pinecone Vector Store and Embeddings Google Gemini and 3 more.
How it runs
Trigger: Manually, when you click “Execute workflow” (plus 1 other trigger).
- Google Drive: uses Google Drive
- AI Agent: runs an AI agent, with model: Google Gemini Chat Model; 2 tools (reservations, Pinecone Vector Search); memory: Simple Memory
- Pinecone Vector Store: uses the Pinecone vector store, with embeddings: Embeddings Google Gemini; document loader: Default Data Loader
- Date & Time: formats or calculates dates
- conversations log (Google Sheets): uses Google Sheets
- 24-hour window check (Code): runs custom JavaScript code
- Check 24-Hour Follow-Up (If): checks a condition and branches into true / false
- cleanAnswer (Code): runs custom JavaScript code
- Send Pre-approved Template Message to Reopen the Conversation (WhatsApp Business Cloud): uses WhatsApp Business Cloud
- Send AI Agent's Answer (WhatsApp Business Cloud): uses WhatsApp Business Cloud
Services it uses
Before you upgrade to n8n 3.0
1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:
- AI Agent v1 (old agent modes) in AI Agent (v1.7): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.
| Removed in 3.0 | Replace with |
|---|---|
| AI Agent v1 (old agent modes) AI Agent (v1.7) | Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent. |
Nodes used (17)
- Code
n8n-nodes-base.code - WhatsApp Business Cloud
n8n-nodes-base.whatsApp - Google Gemini Chat Model
@n8n/n8n-nodes-langchain.lmChatGoogleGemini - Date & Time
n8n-nodes-base.dateTime - Simple Memory
@n8n/n8n-nodes-langchain.memoryBufferWindow - Pinecone Vector Store
@n8n/n8n-nodes-langchain.vectorStorePinecone - Embeddings Google Gemini
@n8n/n8n-nodes-langchain.embeddingsGoogleGemini - AI Agent
@n8n/n8n-nodes-langchain.agent - Google Sheets Tool
n8n-nodes-base.googleSheetsTool - Manual Trigger
n8n-nodes-base.manualTrigger - Google Drive
n8n-nodes-base.googleDrive - Default Data Loader
@n8n/n8n-nodes-langchain.documentDefaultDataLoader - Recursive Character Text Splitter
@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter - WhatsApp Trigger
n8n-nodes-base.whatsAppTrigger - If
n8n-nodes-base.if - Vector Store Question Answer Tool
@n8n/n8n-nodes-langchain.toolVectorStore - Google Sheets
n8n-nodes-base.googleSheets
From the author
Overview Turn WhatsApp chats into instant answers and real-time bookings—all in one n8n workflow. Your AI Agent leverages Gemini embeddings + Pinecone for on-the-fly knowledge retrieval, then logs reservations directly into Google Sheets. Features AI-powered…