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Auto-Generate SEO Content from Trends with GPT-4o, FAL AI & Multi-Storage Support

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Created by: plemeo || plemeo

plemeo

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Last update 12 hours ago

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Who's it for

Content creators, SEO specialists, and marketing teams who want to automatically generate SEO-optimized content based on trending topics—complete with AI-generated images, optional videos, and ready-to-publish HTML.

How it works / What it does

  1. Webhook receives a request with use case and video preferences.
  2. Get Trends XLSX downloads a spreadsheet (created by the Social Media Trends workflow) from SharePoint.
  3. Select Topic from Trends randomly picks one trending topic from the spreadsheet.
  4. AI Agent (GPT-4o) generates bilingual newsletter content about the selected trend.
  5. Get Newsletter Template fetches your HTML template; Build Newsletter injects the AI content.
  6. Optional creative assets:
    • Pollinations AI → generates a 1080 × 1350 image.
    • FAL AI → creates video from the image + Lyria2 audio → merged via FFmpeg.
  7. Gmail Approval sends the draft for review; continues only on approval.
  8. Upload all files (HTML + JPG + video URL) to your chosen storage provider.

How to set up

  1. Import the template into n8n (cloud or self-hosted).
  2. Create credentials: OpenAI, Microsoft 365 (SharePoint), Gmail, and FAL AI.
  3. Upload your HTML newsletter template to SharePoint (see yellow sticky note for required placeholders).
  4. Ensure you have a trends spreadsheet (from the Social Media Trends workflow) in your SharePoint folder.
  5. Update Configuration Settings with your ENV_* variables.
  6. Activate the workflow and POST to the webhook: { "text": "usecase: blog post, include_video: true" }.

Requirements

  • n8n 1.33 +
  • OpenAI account
  • Microsoft 365 tenant (SharePoint)
  • Gmail account
  • FAL AI API Key (for video generation)
  • A trends spreadsheet (from the Social Media Trends workflow)

How to customize

  • Change storage provider: replace SharePoint upload nodes with Google Drive, Dropbox, or S3.
  • Modify topic selection: edit Select Topic from Trends for different selection logic.
  • Adjust content tone: tweak the prompt in Prepare Newsletter Data.
  • Skip video generation: set include_video: false in the webhook request.