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Create AI news videos with HeyGen avatars and auto-post to social media

Sam YassineSam Yassine
1522 views
2/3/2026
NotificationSlackNotionHTTP RequestDatabase
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Automatically generate short AI avatar videos based on trending news, then post them across social media platforms—fully automated using n8n, HeyGen, ChatGPT, and Blotato.

Tools & Services Used:

  • n8n (Self-hosted required due to Community Nodes)
  • HeyGen (for creating AI avatar videos)
  • OpenAI (for script and caption generation)
  • Blotato (for social media distribution)
  • Hacker News (for sourcing trending articles)

Workflow Overview:

This automation performs the following steps:

  1. Fetches trending news from Hacker News
  2. Generates a short script using ChatGPT
  3. Creates an AI avatar video with HeyGen
  4. Generates platform-specific captions
  5. Posts the content across social media with Blotato

Prerequisites:

Make sure you have active accounts and API keys for:

  • HeyGen
  • OpenAI
  • Blotato

How to Use This Template

Step 1: Import the Template

  1. Open your self-hosted n8n instance
  2. Go to "Workflows" > "Create Workflow"
  3. Click the three dots (…) > "Import from File"
  4. Upload the downloaded JSON file

Step 2: Configure API Keys

Only two nodes need customization:

  • Setup HeyGen: Add your HeyGen API key, avatar ID, and voice ID
  • Prepare for Publish: Add your Blotato API key, account IDs, and page IDs

Optional platforms like Pinterest and Bluesky are already disabled by default.

Finding Your HeyGen Avatar & Voice IDs

To customize the AI avatar video:

Log into your HeyGen Dashboard

Navigate to "Avatars" → choose or create an avatar → copy the Avatar ID

Navigate to "Voices" → select a preferred voice → copy the Voice ID

You can upload a custom avatar or voice if you have access to those features in your plan

This allows you to align the video style with your brand’s tone and personality.

Initial Test Run

For your first run:

  1. Shorten the AI script in the prompt to 5 seconds
  2. Enable only one social media platform
  3. Adjust the wait time to 2 minutes to speed up testing
  4. Verify that the video is created and successfully posted

Once successful, enable more platforms and scale your automation.

Workflow Diagram: Screen Shot 20250415 at 23.05.43.png

Use Cases

  • Business owners automating daily content
  • Creators scaling short-form video production
  • Freelancers offering automation as a service
  • Anyone building an AI-driven media workflow

Disclaimer

This workflow uses Community Nodes, which only function on self-hosted n8n instances. This workflow may not work on n8n Cloud without some modifications.

Create AI News Videos with HeyGen Avatars and Auto-Post to Social Media

This n8n workflow automates the entire process of generating AI-powered news videos using HeyGen avatars and then publishing them to social media platforms. It leverages AI to generate video scripts, creates the video, and includes a wait step, likely for video processing, before further actions.

What it does

  1. Triggers on Schedule: The workflow starts at a predefined schedule, ensuring regular content generation.
  2. Generates Video Script with AI: An AI Agent (likely powered by LangChain and OpenAI) is used to create a script for the news video.
  3. Creates Video with HeyGen (via HTTP Request): It then makes an HTTP request, presumably to the HeyGen API, to generate a video using the AI-generated script and HeyGen avatars.
  4. Waits for Video Processing: A "Wait" node pauses the workflow, allowing time for the video to be fully processed and ready for download or further use by HeyGen.
  5. Processes Video Information: An "Edit Fields (Set)" node is included, likely to extract or transform data related to the created video (e.g., video URL, status).
  6. Further Actions (Implied): Although not explicitly defined in the provided JSON (which only shows the initial video creation and waiting steps), the workflow's title suggests subsequent steps would involve downloading the generated video and posting it to various social media platforms.

Prerequisites/Requirements

  • n8n Instance: A running instance of n8n.
  • OpenAI API Key: For the AI Agent and OpenAI Chat Model nodes to generate video scripts.
  • HeyGen Account & API Access: To create AI avatar videos. You will need an API key or similar authentication for the HTTP Request node to interact with HeyGen.
  • Social Media Accounts (Implied): For posting the generated videos. (e.g., YouTube, X (Twitter), Facebook, Instagram, LinkedIn).
  • Credentials for all connected services: Ensure you have configured credentials for OpenAI and HeyGen within your n8n instance.

Setup/Usage

  1. Import the workflow: Download the JSON provided and import it into your n8n instance.
  2. Configure Credentials:
    • Set up your OpenAI API credentials for the "OpenAI Chat Model" and "OpenAI" nodes.
    • Configure the "HTTP Request" node with your HeyGen API endpoint and authentication details. This will likely involve adding an API key to the headers or body of the request.
  3. Customize the AI Agent: Adjust the prompt in the "AI Agent" node to define the type of news content you want to generate.
  4. Adjust HeyGen Request: Modify the "HTTP Request" node to specify HeyGen avatar, voice, background, and other video parameters as needed.
  5. Configure Schedule: Adjust the "Schedule Trigger" node to your desired frequency for generating and posting news videos.
  6. Add Social Media Posting Nodes (Not in JSON): To complete the workflow as suggested by its name, you would need to add additional nodes (e.g., YouTube, X, Facebook, LinkedIn, Instagram nodes) after the "Edit Fields (Set)" node to handle the actual social media posting. These nodes would take the generated video URL and other metadata as input.
  7. Activate the workflow: Once configured, activate the workflow to start automating your AI news video creation and posting.

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