Telegram bot starter template setup & AI agent chatbot
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 29 nodes and runs on Telegram events. Along the way it connects Telegram, Google Sheets and OpenAI Chat Model.
How it runs
Trigger: On Telegram events.
- Global data (Edit Fields (Set)): sets or maps fields
- Switch: routes items into 4 branches
- Switch: routes items into 4 branches
- Telegram: uses Telegram
- Start bot? (If): checks a condition and branches into true / false
- Trigger Data for Payment (Edit Fields (Set)): sets or maps fields
- Command? (If): checks a condition and branches into true / false
- Telegram: uses Telegram
- Telegram: uses Telegram
- Telegram: uses Telegram
…plus 16 more steps. See the full node list below.
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 (v1.8): 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 (v1.8) | Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent. |
Nodes used (11)
- Telegram Trigger
n8n-nodes-base.telegramTrigger - Edit Fields (Set)
n8n-nodes-base.set - Telegram
n8n-nodes-base.telegram - Switch
n8n-nodes-base.switch - If
n8n-nodes-base.if - Google Sheets
n8n-nodes-base.googleSheets - Execute Sub-workflow
n8n-nodes-base.executeWorkflow - Call n8n Workflow Tool
@n8n/n8n-nodes-langchain.toolWorkflow - AI Agent
@n8n/n8n-nodes-langchain.agent - Simple Memory
@n8n/n8n-nodes-langchain.memoryBufferWindow - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi
From the author
Telegram Bot Starter template workflow + n8n AI Agent Chatbot provides a foundational setup for creating powerful Telegram bots with n8n. It handles incoming messages, photos, files, and voice notes, making it an excellent starting point for developers…