Create AI UGC videos from Telegram voice notes using OpenAI & HeyGen

Description Turn Telegram voice messages into AI-generated videos and send the video link back to the chat. This workflow listens for messages, downloads the file, transcribes the audio, generates a video via HeyGen, and returns the final URL. Fast, automated UGC creation right inside Telegram. ✨ What This Template Does - Listens for new Telegram messages and triggers the flow. - Downloads attached files (e.g., voice memos). - Transcribes the voice memo to text. - Generates a video via HeyGen using the transcription. - Polls HeyGen for video status, waits with a short buffer, and sends the final video URL back. Key Benefits - Automates UGC creation from Telegram messages ⚡ - Reduces manual steps from file handling to final video delivery 🧩 - Keeps users in Telegram for a smooth, chat-native experience 📲 - Modular nodes make it easy to customize or extend 🔧 Features - Telegram message trigger and message updates 🛎️ - File download and retrieval for processing 📥 - Voice transcription step for audio-to-text 🎙️➡️📝 - HeyGen video generation via POST and status checks via GET 🌐 - 10-second buffer to allow external processing ⏱️ - Automatic return of the video URL to the chat 🔗 Requirements - n8n instance (cloud or self-hosted) ⚙️ - Telegram Bot credentials configured in n8n (to receive messages and send replies) 🤖 - HeyGen API key for: - POST https://api.heygen.com/v2/video/generate - GET https://api.heygen.com/v1/videostatus.get - A transcription step configured in n8n for converting voice memos to text (node present in this workflow) 🗣📝 Target Audience - Teams creating AI UGC directly from chat workflows 📢 - Marketing and social teams capturing quick briefs via voice 🧑 - Agencies standardizing UGC production pipelines 🏢 - Ops and support teams needing rapid content responses 🚀 Step-by-Step Setup Instructions (Concise) - Connect Telegram Bot credentials in n8n and select the chat/channel for Message Trigger 🤝 - Add your HeyGen API key in n8n Credentials and map it in the HTTP Request nodes 🔑 - Ensure the transcription node is configured to convert audio to text and map output to video generation 🧭 - Import the workflow, assign credentials to all nodes, and replace any placeholders 🧩 - Run once to test end-to-end; adjust the 10s buffer if videos take longer ⏳