HeyGen AI Video Generation with Social Media Publishing
HeyGen AI Video Generation with Social Media Publishing Description This workflow automates the entire process of creating AI-generated videos from trending news content and publishing them to social media platforms (Instagram and TikTok). It runs daily at 6 AM, finds viral-worthy news, generates scripts, creates AI avatar videos using HeyGen, and automatically publishes to multiple social platforms. How it works Content Discovery & Script Generation Schedule Trigger: Runs daily at 6 AM or any time you choose. Perplexity Search: Finds trending news articles that would make good viral content Write Video Script: Uses GPT-4.1 to create a 30-second video script with hook, main content, and CTA Extract URL: Parses the article URL and script data for further processing Video Creation Pipeline Get Screenshot: Uses ScreenshotOne API to create an animated scrolling video of the news article Upload to Cloudinary: Temporarily stores the background video Write Video Caption: Generates an engaging social media caption (150-200 characters) Prepare Avatar Data: Combines all data needed for HeyGen video generation Create Avatar Video: Sends request to HeyGen API to generate AI avatar video with: Talking photo avatar Text-to-speech voice Background video from the news article 720x1280 dimensions (vertical format) Data Management Prepare Sheets Data: Formats video metadata Store to Google Sheets: Saves video_id, caption, timestamp, and status for tracking Webhook Processing (Asynchronous) HeyGen Webhook: Receives callback when video generation is complete Process HeyGen Callback: Extracts video URLs and status from webhook Get Caption from Sheets: Retrieves the associated caption using video_id Combine Data: Merges video data with caption Social Media Publishing Upload to Blotato: Uploads the completed video to Blotato media service Extract Blotato URL: Gets the media URL for social posting Assign Social Media IDs: Sets the account IDs for each platform INSTAGRAM: Posts video to Instagram with caption TIKTOK: Posts video to TikTok with caption and appropriate settings Setup Prerequisites API Keys Required: Perplexity API (for news search) OpenAI API (for script and caption generation) ScreenshotOne API (for article screenshots) HeyGen API (for AI video generation) Cloudinary account (for temporary video storage) Blotato API (for social media posting) Google Sheets API (for data tracking) HeyGen Setup: Create a talking photo avatar and get the talking_photo_id Select a voice and get the voice_id Set up a webhook endpoint in n8n for callbacks Google Sheets Setup: Create a new Google Sheet Add headers: video_id, caption, timestamp, status Get the sheet ID from the URL Social Media Setup: Connect Instagram and TikTok accounts to Blotato Get the account IDs for each platform Configuration Steps Replace all placeholder values: YOUR_TALKING_PHOTO_ID - HeyGen avatar ID YOUR_VOICE_ID - HeyGen voice ID YOUR_WEBHOOK_URL - Your n8n webhook URL YOUR_GOOGLE_SHEET_ID - Google Sheets document ID YOUR_INSTAGRAM_ACCOUNT_ID - Blotato Instagram account ID YOUR_TIKTOK_ACCOUNT_ID - Blotato TikTok account ID YOUR_CLOUD_NAME - Cloudinary cloud name YOUR_UPLOAD_PRESET - Cloudinary upload preset Add credentials in n8n: Perplexity API credentials OpenAI API credentials HeyGen API credentials (create custom API credentials with X-Api-Key) Blotato API credentials Google Sheets OAuth2 ScreenshotOne API credentials Configure the webhook: Copy the webhook URL from the "HeyGen Webhook" node Use this URL in the "Create Avatar Video" node's callback_url Notes The workflow uses a two-part asynchronous process: initial video creation and webhook-based completion Videos are optimized for vertical format (720x1280) for mobile social media The Google Sheet acts as a database to link video IDs with captions All sensitive content (URLs, API keys) should be replaced with your own values Consider content moderation and copyright when selecting news sources Monitor API usage and costs, especially for HeyGen video generation Customization Options Content Sources**: Modify the Perplexity search query to target specific news sources or topics Video Style**: Adjust avatar position, scale, and background video settings Voice Settings**: Change voice_id, speed, and pitch for different narration styles Publishing Schedule**: Modify the Schedule Trigger for different times or frequencies Social Platforms**: Add more platforms by duplicating the Blotato posting nodes. An n8n automation workflow template by Reddit Dev.
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