Automate Google News to Instagram with n8n & GPT-4o-mini

Transform your Instagram presence into a 24/7 news powerhouse with this fully automated workflow that pulls trending Google News articles, rewrites them into viral captions using GPT-4o-mini, generates branded breaking-news images, and posts directly to Instagram—all while tracking everything in Google Sheets.

What this workflow does

This n8n automation runs on autopilot to keep your Instagram feed fresh with trending news content. Every hour, it fetches the latest articles from Google News RSS for your chosen topic, then intelligently deduplitcates against your Google Sheet to prevent reposts. OpenAI's GPT-4o-mini transforms boring headlines into short, high-impact viral captions that drive engagement. The workflow then uses PDF API Hub's HTML-to-Image API to convert your branded HTML template into mobile-optimized breaking-news graphics, automatically publishes to Instagram, and updates your tracking sheet with image URLs and posting status.

Use cases

• News publishers: Automatically cross-post breaking stories from your RSS feeds to Instagram with branded visuals
• Social media agencies: Maintain consistent news content for client accounts across industries like crypto, AI, or sports
• Content creators: Build authority in your niche by sharing trending news with engaging captions and professional graphics
• Brand managers: Stay relevant by commenting on industry news through your company's Instagram presence

Technical details

This workflow integrates four powerful APIs through n8n nodes: Google Sheets OAuth2 for tracking, OpenAI API for caption generation, PDF API Hub for image creation, and Instagram API for publishing. Built with RSS Feed Read, Schedule Trigger, Set, Code, and Sticky Note nodes for reliable automation. Setup takes approximately 7 minutes—just create a Google Sheet with the specified column structure, connect your API credentials, set your news topic in the Set Topic node, and optionally customize the HTML/CSS template to match your brand identity.

Perfect for n8n users and automation engineers looking to scale Instagram content creation with zero manual intervention.