Extract & approve tasks from Telegram to Notion with Gemini AI & voice support

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Important notice

This workflow is provided as-is. Please review and test before using in production.

1. Workflow Overview

Best for

Project Management automation workflows
AI Chatbot automation workflows
advanced n8n builders looking for reusable templates

Tools used

@n8n/n8n-nodes-langchain.lmchatgooglegemini, n8n-nodes-base.if, n8n-nodes-base.telegramtrigger, n8n-nodes-base.switch, n8n-nodes-base.set, n8n-nodes-base.telegram, @n8n/n8n-nodes-langchain.googlegemini, @n8n/n8n-nodes-langchain.informationextractor

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by Abhiman.

Original n8n.io source

1.1 Workflow description

Title: Extract & approve tasks from Telegram to Notion with Gemini AI & voice support
Workflow name: Extract & approve tasks from Telegram to Notion with Gemini AI & voice support

This workflow automatically converts Telegram text or voice messages into Notion tasks by using AI to extract the task name and due date, allowing users to approve or decline tasks directly in Telegram before they are created. It is designed for students managing assignments, professionals tracking tasks from messaging apps, productivity enthusiasts looking to automate task entry, and teams using Notion for organized task management.

Detailed Use Case

This template turns casual Telegram messages and voice notes into confirmed Notion tasks by handling transcription, AI extraction, validation, and user approval. Typical scenarios include:

Students: Record or type assignment details after class → transcribe, extract title + due date → confirm → save to Notion.
Managers: Capture meeting action items in chat → extract tasks and deadlines → verify with one tap → add to project database.
Freelancers: Log client requests by voice → confirm parsed due date → create a tracked task in Notion.
Productivity users / teams: Quickly funnel ad-hoc requests from Telegram into a single Notion workspace without manual copy/paste.

Key benefits: automated transcription, structured extraction (TaskName + TaskDue), quick user approval in Telegram, and reliable Notion mapping for immediate tracking.

Prerequisites for this Workflow

n8n instance
- Active and publicly reachable for webhook triggers.
Telegram bot
- Create via BotFather, copy Bot Token, and get chat ID.
Transcription API
- I use Google Gemini Free Tier, but you can use Groq, OpenAI, or any other provider.
- Add your API key / credentials in n8n.
Notion integration & database
- Integration token added to n8n.
- Database structure must include:
  - Title (Title property) → Task Name
  - Date (Date property) → Task Due Date
- Share the database with the integration and copy the Database ID.
n8n node setup basics
- Telegram Trigger node for messages.
- Telegram Get File node (Download = true) for voice notes.
- Transcription node connected to your chosen provider.
- AI Extractor node to get TaskName and TaskDue.
- Notion node with mapped properties (TaskName → Title, TaskDue → Date).

For any doubts or questions, contact: [email protected] or connect on LinkedIn: https://www.linkedin.com/in/abhimangs/

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - Google Gemini Chat Model

Type / Role: @n8n/n8n-nodes-langchain.lmChatGoogleGemini - lmChatGoogleGemini
Config choices: Version 1

Block 2 - Approval Check (If Approved?)

Type / Role: n8n-nodes-base.if - if
Config choices: Version 2.2

Block 3 - Telegram: Receive Message

Type / Role: n8n-nodes-base.telegramTrigger - telegramTrigger
Config choices: Version 1.2

Block 4 - Switch: Text or Voice

Type / Role: n8n-nodes-base.switch - switch
Config choices: Version 3.3

Block 5 - Set: Prepare Text

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 6 - Telegram: Download Voice File

Type / Role: n8n-nodes-base.telegram - telegram
Config choices: Version 1.2

Block 7 - Gemini: Transcribe Voice

Type / Role: @n8n/n8n-nodes-langchain.googleGemini - googleGemini
Config choices: Version 1

Block 8 - Set: Put Transcript into Text

Type / Role: n8n-nodes-base.set - set
Config choices: Version 3.4

Block 9 - AI Extractor: TaskName & TaskDue

Type / Role: @n8n/n8n-nodes-langchain.informationExtractor - informationExtractor
Config choices: Version 1.2

Block 10 - If: Extraction Valid?

Type / Role: n8n-nodes-base.if - if
Config choices: Version 2.2

Block 11 - Telegram: Ask Approve / Decline

Type / Role: n8n-nodes-base.telegram - telegram
Config choices: Version 1.2

Block 12 - Notion: Create Task Page

Type / Role: n8n-nodes-base.notion - notion
Config choices: Version 2.2

Block 13 - Telegram: Notify - Task Created

Type / Role: n8n-nodes-base.telegram - telegram
Config choices: Version 1.2

Block 14 - Telegram: Notify - Task Not Created

Type / Role: n8n-nodes-base.telegram - telegram
Config choices: Version 1.2

Block 15 - Telegram: Notify - Extraction Failed

Type / Role: n8n-nodes-base.telegram - telegram
Config choices: Version 1.2

Block 16 - Sticky Note

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 17 - Sticky Note1

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 18 - Sticky Note2

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 19 - Sticky Note3

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 20 - Sticky Note4

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 21 - Sticky Note5

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 22 - Sticky Note6

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 23 - Sticky Note7

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Block 24 - Sticky Note8

Type / Role: n8n-nodes-base.stickyNote - stickyNote
Config choices: Version 1

Showing the first 24 of 25 workflow blocks. Download the JSON for the full node graph.

3. Summary Table

Workflow	Extract & approve tasks from Telegram to Notion with Gemini AI & voice support
Complexity	advanced
Nodes	25
Categories	Project Management, AI Chatbot
Author	Abhiman
Published	09 Oct 2025

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/9424/9424.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.
4. Test with sample data

Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.
5. Activate and monitor

Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Download workflow JSON Original n8n.io source Project Management workflows AI Chatbot workflows

Frequently asked questions

What does Extract & approve tasks from Telegram to Notion with Gemini AI & voice support do?

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Project Management, AI Chatbot use case.

Abhiman

3 workflows

Nodes

@n8n/n8n-nodes-langchain.lmchatgooglegemini n8n-nodes-base.if n8n-nodes-base.telegramtrigger n8n-nodes-base.switch n8n-nodes-base.set n8n-nodes-base.telegram @n8n/n8n-nodes-langchain.googlegemini @n8n/n8n-nodes-langchain.informationextractor

Complexity

advanced

Published 09 Oct 2025

Likes 0

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Install path: /data/workflows/9424/9424.json

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Extract & approve tasks from Telegram to Notion with Gemini AI & voice support

Workflow preview

Important notice

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

Detailed Use Case

Prerequisites for this Workflow

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Google Gemini Chat Model

Block 2 - Approval Check (If Approved?)

Block 3 - Telegram: Receive Message

Block 4 - Switch: Text or Voice

Block 5 - Set: Prepare Text

Block 6 - Telegram: Download Voice File

Block 7 - Gemini: Transcribe Voice

Block 8 - Set: Put Transcript into Text

Block 9 - AI Extractor: TaskName & TaskDue

Block 10 - If: Extraction Valid?

Block 11 - Telegram: Ask Approve / Decline

Block 12 - Notion: Create Task Page

Block 13 - Telegram: Notify - Task Created

Block 14 - Telegram: Notify - Task Not Created

Block 15 - Telegram: Notify - Extraction Failed

Block 16 - Sticky Note

Block 17 - Sticky Note1

Block 18 - Sticky Note2

Block 19 - Sticky Note3

Block 20 - Sticky Note4

Block 21 - Sticky Note5

Block 22 - Sticky Note6

Block 23 - Sticky Note7

Block 24 - Sticky Note8

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions