Customer support & lead collection chatbot with RAG, GPT-4o, Sheets & Telegram
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 10 nodes and runs when a chat message arrives. Along the way it connects Vector Store Question Answer, Pinecone Vector Store, Embeddings OpenAI and Telegram and 2 more.
How it runs
Trigger: When a chat message arrives.
- AI Agent: runs an AI agent, with model: Main Chat Model; 3 tools (Company Q&A, Send Lead to Telegram, Save Lead to Google Sheets); memory: Conversation Memory
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 (9)
- Chat Trigger
@n8n/n8n-nodes-langchain.chatTrigger - AI Agent
@n8n/n8n-nodes-langchain.agent - Simple Memory
@n8n/n8n-nodes-langchain.memoryBufferWindow - Vector Store Question Answer Tool
@n8n/n8n-nodes-langchain.toolVectorStore - Pinecone Vector Store
@n8n/n8n-nodes-langchain.vectorStorePinecone - Embeddings OpenAI
@n8n/n8n-nodes-langchain.embeddingsOpenAi - Telegram Tool
n8n-nodes-base.telegramTool - Google Sheets Tool
n8n-nodes-base.googleSheetsTool - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi
From the author
Who’s it for This template is designed for small and medium businesses, startups, and agencies that want to automate customer inquiries, provide instant support, and capture leads without losing valuable conversations. It’s especially useful for teams that…