Create LinkedIn Content from Telegram Voice/Text using Whisper, GPT-4 & Dumpling AI

🧾 What this workflow does

This automation turns a Telegram voice or text message into a high-quality LinkedIn post using OpenAI’s Whisper, Dumpling AI and GPT-4, and then repurposes that same message into a content idea with visual inspiration using Dumpling AI. All outputs are saved to Airtable for review, approval, and scheduling.

👤 Who is this for

Founders or creators sharing ideas while walking or multitasking
Content teams turning voice memos into carousel content
Personal brands posting on LinkedIn with minimal manual work
Virtual assistants or SMMs handling voice-driven content tasks

⚙️ How to set up

✅ Requirements

You’ll need active accounts for: Telegram Bot (via n8n’s Telegram Trigger node) OpenAI (for Whisper and GPT-4) Dumpling AI (to search Google and create Image) Airtable (to log your posts)

In Airtable, create a table with the following fields: Ideas (Single line text) Context (Long text) Image URL (URL)

🔧 Setup steps

Set up your Telegram bot Use BotFather to create a bot and get your token Add the bot to a private group or channel

Connect all credentials in n8n Telegram Trigger (Bot Token) OpenAI (for Whisper + GPT-4) Dumpling AI (HTTP Auth) Airtable (OAuth or Personal Token)

Update node parameters In the Telegram Trigger node, specify your bot and listening chat In the HTTP node for Dumpling AI, add your API key via header In Airtable nodes, map to your base and table correctly

Optional prompt customization In the GPT-4 node, you can update the prompt for tone, formatting, or CTA style Optional: Adjust the Dumpling AI prompt to suit your niche (e.g., health, tech, finance). 🧠 How it works

The Telegram bot receives a voice message. Whisper transcribes the voice into clean text. GPT-4 formats the text into a polished LinkedIn post. Dumpling AI: Generates a short-form content idea from the transcript. Creates a branded image prompt and renders a matching image. The full set of outputs (text, idea, image) is saved to Airtable. You can now review and schedule the post manually or via another automation.

🛠️ Customization ideas

Swap Telegram for WhatsApp or voice memos via Google Drive
Add moderation or approval steps before saving to Airtable
Send the LinkedIn post directly to Buffer or Hootsuite for auto-posting
Generate post captions or hashtags using GPT-4 before publishing
Extend the workflow to auto-create carousel slides from the content idea This workflow makes it easy to share your voice with your audience — literally. Whether you're walking, thinking out loud, or sending team updates, this automation turns your spoken ideas into professional content, ready to post or polish.