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Automate AI news videos to social media with GPT-4o & HeyGen and Postiz

David OlusolaDavid Olusola
9845 views
2/3/2026
AirtableLead ManagementData CaptureAutomationEmail
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🤖 Automated AI News Video Creation and Social Media Publishing Workflow

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🎯 Overview:

This workflow fully automates the creation and social media distribution of AI-generated news videos. It fetches news, crafts captions, generates avatar videos via HeyGen, stores them, and publishes them across Instagram, Facebook, and YouTube via Postiz.

🔄 WORKFLOW PROCESS:

  1. News Fetching: Reads the latest news from an RSS feed.
  2. AI Captioning: Generates concise, engaging captions using an AI agent (GPT-4o-mini).
  3. Video Generation: Creates an AI avatar video using HeyGen with the generated caption.
  4. Video Storage: Downloads the video and uploads it to Google Drive for archival.
  5. Data Logging: Records all news and video metadata into Google Sheets.
  6. Postiz Upload: Uploads the video to Postiz's internal storage for publishing.
  7. Social Publishing: Fetches Postiz integrations and routes the video to Instagram, Facebook, and YouTube after platform-specific content cleaning.

⚙️ KEY TECHNOLOGIES:

  • RSS Feeds: News source.
  • LangChain (n8n nodes): AI Agent and Chat OpenAI for caption generation.
  • HeyGen API: AI avatar video creation.
  • Google Drive: Video file storage.
  • Google Sheets: Data logging and tracking.
  • Postiz API: Unified social media publishing platform.

⚠️CRITICAL CONFIGURATIONS:

  • API Keys: Ensure HeyGen and Postiz API keys are correctly set in credentials and the 'Setup Heygen Parameters' node.
  • HeyGen IDs: Verify avatar_id and voice_id in 'Setup Heygen Parameters'.
  • Postiz URL: Confirm https://postiz.yourdomain.com is your correct Postiz instance URL across all HTTP Request nodes.
  • Credentials: All Google, OpenAI, and Postiz credentials must be properly linked.

📈BENEFITS:

  • Automated content creation and distribution, saving significant time.
  • Consistent branding and messaging across multiple platforms.
  • Centralized logging for tracking and performance analysis.
  • Scalable solution for high-volume content demands.

Automate AI News Video Creation and Social Media Posting with GPT-4o, HeyGen, and Postiz

This n8n workflow automates the entire process of generating AI news videos from RSS feeds and publishing them to social media. It leverages GPT-4o for content generation, HeyGen for video creation, and Postiz for social media scheduling, streamlining your content production and distribution.

What it does

This workflow performs the following key steps:

  1. Triggers on demand: The workflow is manually triggered to start the process.
  2. Fetches RSS Feed: Reads the latest articles from a specified RSS feed.
  3. Limits Articles: Processes a configurable number of articles from the RSS feed (defaulting to 1).
  4. Extracts Article Content: Uses a Code node to extract the title, description, and URL of each article.
  5. Generates Video Script with AI: Employs an OpenAI Chat Model (GPT-4o) to generate a video script based on the article's content.
  6. Creates Video with HeyGen: Sends the generated script to HeyGen to create an AI-powered video.
  7. Uploads Video to Google Drive: Stores the generated video file in a specified Google Drive folder.
  8. Schedules Social Media Post with Postiz: Uses an HTTP Request node to send the video details and a generated caption to Postiz for social media scheduling.
  9. Updates Google Sheet: Records the details of the processed article and the generated video in a Google Sheet, marking it as "Posted".
  10. Manages Workflow State: Uses a Wait node and Switch node to control the flow and ensure articles are processed sequentially and their status is tracked.

Prerequisites/Requirements

To use this workflow, you will need:

  • n8n Instance: A running n8n instance.
  • RSS Feed URL: The URL of the RSS feed you want to monitor for news articles.
  • OpenAI API Key: For the OpenAI Chat Model (GPT-4o).
  • HeyGen API Key: For generating AI videos.
  • Postiz Account and API Key: For scheduling social media posts.
  • Google Drive Account: For storing generated videos.
  • Google Sheets Account: For logging article processing and posting status.
  • Credentials in n8n: Configure credentials for OpenAI, HeyGen, Postiz, Google Drive, and Google Sheets within your n8n instance.

Setup/Usage

  1. Import the workflow: Download the JSON provided and import it into your n8n instance.
  2. Configure Credentials:
    • Go to "Credentials" in n8n.
    • Add a new credential for OpenAI API Key.
    • Add a new credential for HeyGen API Key.
    • Add a new credential for Postiz API Key.
    • Add a new credential for Google Drive (OAuth2).
    • Add a new credential for Google Sheets (OAuth2).
  3. Update Node Parameters:
    • RSS Read (Node 37): Enter the URL of your desired RSS feed.
    • Limit (Node 1237): Adjust the number of articles to process per execution (default is 1).
    • OpenAI Chat Model (Node 1153): Ensure your OpenAI credential is selected. You might also want to fine-tune the prompt for script generation.
    • HeyGen (HTTP Request Node 19): Update the HeyGen API endpoint and ensure your HeyGen API key is used in the headers.
    • Google Drive (Node 58): Specify the folder ID where you want to save the generated videos.
    • Postiz (HTTP Request Node 19): Update the Postiz API endpoint and ensure your Postiz API key is used in the headers. Adjust the payload for your specific social media posting needs.
    • Google Sheets (Node 18):
      • Specify the Spreadsheet ID and Sheet Name where you want to log the data.
      • Ensure the column names in your Google Sheet match the data being sent (e.g., Article Title, Video URL, Status).
    • Code (Node 834): Review and adjust the JavaScript code if you need to modify how article content is extracted or transformed before being sent to AI.
  4. Activate the Workflow: Once configured, activate the workflow. You can then manually trigger it using the "When clicking ‘Execute workflow’" node (Node 838).

This workflow provides a powerful foundation for automating your AI news video production and social media outreach. Remember to test thoroughly after making any configuration changes.

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