I Built a Viral Instagram Carousel Machine (n8n + Nanobanana + Blotato)

Learn how to automate viral Instagram carousels using Google’s Nano Banana + n8n — no code and no design skills needed. In this step-by-step tutorial, you’ll discover how to turn any idea into a 5-slide Instagram carousel on autopilot using a complete automated workflow. Carousels are one of the most effective ways to boost reach and engagement on Instagram — and with this build, you can keep posting consistently without ever opening Canva. Sign up for Blotato here: https://blotato.com/?ref=marconi Use coupon code MARC20 for 20% off for 3 months 💡 WHAT YOU'LL LEARN ⚡ How to set up chat triggers that kick-start your build ⚡ How to generate optimized image prompts for Instagram using Nano Banana ⚡ How to fetch, upload, and post carousels automatically via Blotato ⚡ How to generate captions with ChatGPT (OpenAI) to complete your system 💡 FREE RESOURCES This workflow template is available for free download here: https://n8n.io/workflows/8877-automate-instagram-carousel-creation-with-gpt-5-nano-banana-and-blotato/ Check out my other Free Workflow Templates here: https://n8n.io/creators/marconi/ & If you're new to n8n, sign up for n8n here: https://n8n.partnerlinks.io/automatewithmarc Perfect for creators, influencers, and marketers who want high-impact content with minimal effort. ⏱️ TIMESTAMPS 00:00 Introduction to Building Instagram Carousels on Autopilot 00:44 Workflow Overview (n8n + Nanobanana + Blotato) 01:04 Setting Up the Chat Trigger in n8n 01:12 Creating Instagram Carousel Image Prompts 01:22 Sending Image Prompts to Google’s Nano Banana 01:39 Generating and Fetching AI Images Automatically 02:22 Uploading Images to Blotato for Posting 11:22 Combining and Logging Image URLs in Sheets 13:24 Generating Captions with OpenAI Integration 16:20 Merging Data and Posting to Instagram Automatically 18:55 Final Thoughts, Tips, and Best Practices 📹 RELATED VIDEOS How to Auto-Post Viral AI Reels with n8n + Veo 3 + Blotato https://youtu.be/s-KzxeKWmIA?si=lyjaZf4q78Knvexu&list=PL05w1TE8X3bb1H9lXBqUy98zmTrrPP-s1 How to bulk-edit image with n8n and Nanobanana https://youtu.be/4wk6PYgBtBM?si=bhe2XDOihrfjsBQv&list=PL05w1TE8X3bb1H9lXBqUy98zmTrrPP-s1 How to automate reels and shorts: https://youtu.be/tr_zJenPgSQ?si=bOVRVd1bY0Tx3m-M&list=PL05w1TE8X3bb1H9lXBqUy98zmTrrPP-s1 💡 Connect with me: Instagram: / automatewithmarc LinkedIn: linkedin.com/in/marconi-darmawan Email: automatewithmarc@gmail.com 💡 Buymeacoffee https://buymeacoffee.com/automatewithmarc