Automate multi-channel customer support with Gmail, Telegram, and GPT AI
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 21 nodes and runs on Gmail events (plus 2 other triggers). Along the way it connects Telegram, OpenAI Chat Model, Gmail and Google Sheets. It also calls hooks.slack.com over HTTP.
How it runs
Trigger: On Gmail events (plus 2 other triggers).
- 📋 Process Gmail Message (Edit Fields (Set)): sets 7 fields: channel, customer_email, customer_name…
- 📋 Process Telegram Message (Edit Fields (Set)): sets 7 fields: channel, customer_name, customer_id…
- 📢 Notify Admin of Error (HTTP Request): calls hooks.slack.com (POST)
- 🤖 Gmail AI Agent (AI Agent): runs an AI agent, with model: OpenAI Chat Model; 2 tools (knowledge base, Gmail Escalation Logger); memory: 🧠 Gmail Memory
- 🤖 Telegram AI Agent (AI Agent): runs an AI agent, with model: OpenAI Chat Model; 2 tools (knowledge base, Telegram Escalation Logger); memory: 🧠 Telegram Memory
- 📧 Send Gmail Reply (Gmail): reply
- 💬 Send Telegram Reply (Telegram): uses Telegram
- ✅ Mark Gmail as Read (Gmail): mark as read
- 📊 Log Gmail Interaction (Google Sheets): append
- 📊 Log Telegram Interaction (Google Sheets): append
Services it uses
HTTP calls to: hooks.slack.com
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 🤖 Telegram AI Agent (v1.7), 🤖 Gmail 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.
- Also check Gmail Trigger below v1.4 runs as v1.4 (drafts skipped, max emails per poll).
| Removed in 3.0 | Replace with |
|---|---|
| AI Agent v1 (old agent modes) 🤖 Telegram AI Agent (v1.7), 🤖 Gmail 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 (12)
- Telegram Trigger
n8n-nodes-base.telegramTrigger - Edit Fields (Set)
n8n-nodes-base.set - AI Agent
@n8n/n8n-nodes-langchain.agent - OpenAI Chat Model
@n8n/n8n-nodes-langchain.lmChatOpenAi - Simple Memory
@n8n/n8n-nodes-langchain.memoryBufferWindow - Telegram
n8n-nodes-base.telegram - Gmail Trigger
n8n-nodes-base.gmailTrigger - Gmail
n8n-nodes-base.gmail - Google Sheets
n8n-nodes-base.googleSheets - Error Trigger
n8n-nodes-base.errorTrigger - HTTP Request
n8n-nodes-base.httpRequest - Google Sheets Tool
n8n-nodes-base.googleSheetsTool
From the author
Smart Customer Support AI Agent with Gmail and Telegram Who is this for? This workflow is perfect for: - Small to medium businesses looking to automate customer support - E-commerce stores handling order inquiries and customer questions - SaaS companies…