How to Auto-Post Viral AI Reels with n8n + Veo 3 + Blotato

Want to turn AI-generated videos into viral Instagram Reels — automatically? In this no-code, step-by-step tutorial, I’ll show you how to build a complete automation system using n8n + Veo V3 that: ✅ Generates short-form Reels using Veo 3 or SeeDance AI ✅ Writes scroll-stopping captions with OpenAI (Chat-GPT) ✅ Automatically posts them to Instagram, TikTok, or LinkedIn via Blotato Whether you're a creator, marketer, indie hacker, or agency — this AI workflow helps you post consistent, high-quality Reels without lifting a finger. Learn how to build an end-to-end automated workflow on n8n for creating and posting Instagram and TikTok reels. We leverage the latest video generation models like Veo 3 and integrate them with Blotato for social media automation. Follow along as we build the workflow in two parts: video generation and automated social media posting. This step-by-step guide includes setting up chat triggers, using OpenAI for content prompts, configuring HTTP requests, and handling Google Sheets for data management. Perfect for automating your social media content creation and posting! 🚀 Try n8n (Free): https://n8n.partnerlinks.io/automatewithmarc ⭐️ Sign up for Blotato here: https://blotato.com/?ref=marconi Use coupon code MARC20 for 20% off for 3 months 📥 Download the Free Workflow Template: https://n8n.io/creators/marconi/ 📸 Follow me on Instagram: @automatewithmarc 📧 Get in touch: automatewithmarc@gmail.com Seedance & Wavespeed Set Up Video: https://www.youtube.com/watch?v=2oZ5NhosKgo&list=PL05w1TE8X3baEGOktlXtRxsztOjeOb8Vg Relevant JSON Blocks: https://docs.google.com/document/d/1u_f9MuEN9p_VrEbhuf-gn9Kw7MtqZ5EXMdHaE7VAb-4/edit?usp=sharing Google Log Sheet Template: https://docs.google.com/spreadsheets/d/1bA-PQTrvekC1Rti-XumGANgjIwLjvcFCqoIxVCYsq2E/edit?usp=sharing Wavespeed: https://wavespeed.ai/ Blotato: https://www.blotato.com/ 00:00 Introduction to Automating Social Media Posts with AI 00:27 Setting Up the Video Generation Workflow 00:43 Integrating Social Media Posting Tools 00:52 Creating Effective Video Prompts 01:34 Generating and Fetching Videos 06:19 Writing Captions with AI 07:38 Logging Video Data in Google Sheets 10:07 Automating Social Media Posts with Blotato 16:22 Final Steps and Troubleshooting 17:36 Conclusion and Next Steps 💡 Tools Used: n8n (No-code automation engine) Veo 3 / C-Dance AI (Video generation) OpenAI GPT-4 / GPT-4o (Caption generation) Blotato (Auto-posting to Instagram & social media) 💡 Connect with me: Instagram: / automatewithmarc LinkedIn: linkedin.com/in/marconi-darmawan Email: automatewithmarc@gmail.com 💡 Buymeacoffee https://buymeacoffee.com/automatewithmarc