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Manage schedule & contacts with Telegram Bot using GPT-4o-mini & Google Services

Ronnie CraigRonnie Craig
285 views
2/3/2026
ZendeskWebhookIntegrationAutomationCustomer Support
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AI Personal Assistant Telegram Bot Template

Description

Transform your Telegram into a powerful AI-powered personal assistant that manages your calendar, sends daily schedules, searches the web, and accesses your contacts - all through simple text messages.

What This Template Does

This workflow creates an intelligent Telegram bot that serves as your personal assistant, capable of:

  • Daily Schedule Management: Automatically checks your Google Calendar and emails you a formatted daily schedule summary
  • Intelligent Conversations: Uses OpenAI GPT-4o-mini with conversation memory for natural interactions
  • Web Research: Searches Wikipedia and the web using SerpAPI for any questions you have
  • Contact Management: Accesses your Google Sheets contact database to find email addresses and information
  • Email Automation: Sends emails on your behalf using Gmail integration
  • Calendar Integration: Reads and manages your Google Calendar events

Target Users

  • Busy Professionals who need quick access to their schedule and want to automate daily planning
  • Small Business Owners who want an AI assistant for managing contacts and communications
  • Personal Productivity Enthusiasts who want to streamline their daily workflow
  • Anyone who prefers text-based interaction over switching between multiple apps

Key Features

✅ Multi-Tool AI Agent: Combines Wikipedia, web search, calendar, email, and contacts in one interface ✅ Conversation Memory: Remembers context across multiple interactions ✅ Automatic Daily Scheduling: Proactive daily schedule emails ✅ Contact Intelligence: Automatically finds contact information before sending emails ✅ Telegram Integration: Works through the familiar Telegram interface

Use Cases

  • "What's on my schedule today?" → Receives formatted email with daily agenda
  • "Send an email to John about the meeting" → Finds John's email and sends message
  • "What's the weather in Paris?" → Gets current weather information via web search
  • "Tell me about quantum computing" → Provides Wikipedia information
  • "Schedule a meeting with Sarah tomorrow at 2 PM" → Creates calendar event

Prerequisites

Before setting up this template, you'll need accounts and API access for:

  • Telegram Bot (free via @BotFather)
  • OpenAI API (paid service)
  • Google Calendar API (free)
  • Gmail API (free)
  • Google Sheets API (free)
  • SerpAPI (freemium web search)

Setup Instructions

1. Create Telegram Bot

  1. Message @BotFather on Telegram
  2. Use /newbot command and follow instructions
  3. Save your bot token for later

2. Set Up Google APIs

  1. Go to Google Cloud Console
  2. Create a new project or select existing
  3. Enable Google Calendar, Gmail, and Sheets APIs
  4. Create OAuth2 credentials
  5. Download credentials JSON file

3. Get API Keys

  1. OpenAI: Visit platform.openai.com, create API key
  2. SerpAPI: Sign up at serpapi.com, get API key

4. Configure Credentials in n8n

  1. Add Telegram Bot credentials using your bot token
  2. Set up Google OAuth2 for Calendar, Gmail, and Sheets
  3. Add OpenAI API credentials
  4. Add SerpAPI credentials

5. Customize the Workflow

  1. Update Calendar ID: Replace a________@gmail.com with your calendar
  2. Set Google Sheets ID: Replace the sheet ID with your contacts spreadsheet
  3. Modify System Message: Update the AI agent's instructions to match your preferences
  4. Adjust Memory Settings: Configure conversation memory window as needed

6. Test the Setup

  1. Activate the workflow
  2. Message your Telegram bot
  3. Verify all integrations are working

Customization Options

  • Change AI Model: Switch between OpenAI models (GPT-3.5, GPT-4, etc.)
  • Adjust Memory: Modify conversation memory window length
  • Add More Tools: Integrate additional services like Notion, Slack, or weather APIs
  • Modify Schedule: Change when daily schedule emails are sent
  • Customize Responses: Update the system message to change assistant personality

Important Notes

  • Privacy: This bot has access to your calendar, contacts, and email - ensure proper security
  • API Costs: OpenAI and SerpAPI usage will incur costs based on usage
  • Rate Limits: Be aware of API rate limits for each service
  • Security: Use environment variables for sensitive credentials

Troubleshooting

  • Bot not responding: Check Telegram credentials and webhook configuration
  • Calendar access issues: Verify Google Calendar API permissions
  • Email not sending: Confirm Gmail API scopes include send permissions
  • Memory not working: Check that session keys are properly configured

Support

For issues with this template, check:

  1. n8n Community Forum
  2. Individual API service documentation
  3. Google Cloud Console for API errors
  4. OpenAI usage dashboard for model issues

n8n AI Telegram Bot for Schedule and Contact Management

This n8n workflow provides an intelligent Telegram bot that can manage schedules and contacts using an AI agent powered by GPT-4o Mini and integrated with Google services. It acts as a conversational interface to automate common administrative tasks.

What it does

This workflow automates the following steps:

  1. Listens for Telegram messages: The workflow is triggered whenever a user sends a message to the configured Telegram bot.
  2. Processes messages with an AI Agent: The incoming Telegram message is fed into an AI Agent (likely configured with GPT-4o Mini). This agent is equipped with:
    • OpenAI Chat Model: To understand natural language commands and generate responses.
    • Simple Memory: To maintain conversational context across interactions.
    • SerpApi (Google Search) Tool: To perform web searches for information that might be relevant to scheduling or contact details (e.g., current time, location details, public information about contacts).
    • Wikipedia Tool: To retrieve general knowledge that might be useful for understanding context or providing information.
  3. Responds via Telegram: The AI agent's generated response, based on the user's query and the information gathered from its tools, is sent back to the user as a Telegram message.

This setup allows users to interact with the bot in natural language to perform tasks like:

  • "Schedule a meeting for tomorrow at 3 PM with John Doe about project X."
  • "What's John Doe's phone number?" (assuming it has access to a contact list via a Google service tool, which would need to be added to the AI Agent's tools)
  • "Remind me to call Sarah next Tuesday."
  • "Find out the current time in London."

Prerequisites/Requirements

To use this workflow, you will need:

  • n8n Instance: A running n8n instance.
  • Telegram Bot Token: A Telegram bot created via BotFather.
  • OpenAI API Key: For the OpenAI Chat Model (likely GPT-4o Mini, as suggested by the directory name).
  • SerpApi API Key: For the SerpApi (Google Search) tool.
  • Google Services Credentials: While not explicitly shown in the provided JSON, the directory name "google-services" suggests that the AI agent is intended to interact with Google Calendar, Google Contacts, or Google Sheets. You would need to configure the appropriate Google service credentials and add corresponding tools to the AI Agent node within the workflow.

Setup/Usage

  1. Import the workflow: Download the provided JSON and import it into your n8n instance.
  2. Configure Telegram Trigger:
    • Add your Telegram Bot Token to the "Telegram Trigger" node's credentials.
    • Activate the workflow. This will set up the webhook for your Telegram bot.
  3. Configure AI Agent:
    • OpenAI Chat Model: Add your OpenAI API Key to the "OpenAI Chat Model" node's credentials.
    • SerpApi: Add your SerpApi API Key to the "SerpApi" node's credentials.
    • Wikipedia: This tool does not typically require specific credentials, but ensure it's correctly configured.
    • Memory: The "Simple Memory" node is usually self-contained and doesn't require external credentials.
    • Add Google Service Tools (if applicable): If you intend to manage schedules and contacts using Google services, you will need to add appropriate n8n Google nodes (e.g., Google Calendar, Google Contacts, Google Sheets) as tools within the "AI Agent" node and configure their credentials.
  4. Activate the workflow: Once all credentials and configurations are set, activate the workflow.
  5. Interact with your bot: Send messages to your Telegram bot, and the AI agent will process them and respond.

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