Workflow overview
Why this workflow matters
Potentially useful as a reusable automation building block.
🎥 Auto-Caption & Autopost Videos to Instagram & TikTok Description Automate your short-form content pipeline! This workflow takes any video uploaded to a specific Google Drive folder, generates engaging captions with Submagic, and then auto-posts the finished video (with AI-generated captions) directly to Instagram or TikTok via Postiz. Captions are further refined with OpenAI for brand-ready social text. Finally, each published video is logged into a Google Sheet for tracking. 👉 Watch step-by-step build of this workflow on: www.youtube.com/@automatewithmarc How It Works Google Drive Trigger – Detects new video uploads. Submagic API – Adds styled captions automatically. Wait + Poll – Monitors job status until the captioned video is ready. Download Video – Retrieves the finished captioned video. Upload to Postiz – Sends the file to Postiz for multi-platform posting. Caption Agent (OpenAI) – Generates optimized Instagram/TikTok captions. Post to Instagram/TikTok – Publishes the video with caption. Update Log – Saves video details, captions, and status into Google Sheets. Why You’ll Love It ⚡ Hands-off publishing — videos go from raw to posted automatically. 📝 AI captions + Submagic styling — engaging text and visual consistency. 📊 Content tracking — every post logged in Google Sheets. 🎯 Perfect for Reels & TikToks — optimized for fast workflows and social reach. Requirements Google Drive account Submagic API key Postiz account (for IG/TikTok posting) OpenAI API key (for caption generation) Google Sheets account
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