Auto-post Reels from Drive with AI Captions

# Post Instagram Reels with AI captions when video is added to Google Drive

This automation template enables fully automated publishing of Instagram Reels triggered by file uploads to Google Drive or on a schedule. It’s ideal for users who store media in Google Drive and want to leverage AI for caption generation and seamless Instagram posting.

## Who it´s for
- Instagram account owners aiming to streamline Reels publishing.
- Marketers using Google Drive as a media content hub.
- Content managers looking to use AI for engaging caption creation.
- Agencies managing multiple Instagram profiles with frequent content needs.

## What the automation does
- Triggers when a video is uploaded to a specific Google Drive folder or on a cron schedule.
- Selects a random video from a source folder, moves and downloads it.
- Generates an engaging caption using Google Gemini AI.
- Publishes the video as a Reel via Facebook Graph API.
- Logs the post URL, title, and caption in Airtable.
- Deletes the temporary file after successful publishing.

## What´s included
- Ready-to-use n8n workflow with LangChain and Google Gemini integration.
- Trigger logic: Google Drive file upload or time-based scheduling.
- Integrations with Google Drive, Instagram (via Facebook Graph API), Airtable, and Google Gemini.
- Basic text guide for setup and adaptation.

## Requirements for setup
- n8n instance with access to external APIs and HTTP requests.
- Google Drive account with read and move permissions for files.
- Instagram Business account linked to a Facebook App with Graph API access.
- Airtable base configured to log publication metadata.
- Google Gemini API key with LangChain agent enabled.

## Benefits and outcomes
- Fully autonomous Reels publishing without daily manual input.
- Time saved on caption writing — AI generates them instantly.
- Centralized content management via Google Drive and logging in Airtable.
- Ability to maintain a continuous content flow (e.g., every 6 hours).
- Reduced risk of errors during manual uploads.
- Scalability across multiple Instagram accounts.

## Important: template only
Important: you are purchasing a ready-made automation workflow template only. Rollout into your infrastructure, connecting specific accounts and services, 1:1 setup help, custom adjustments for non-standard stacks and any consulting support are provided as a separate paid service at an individual rate. To discuss custom work or 1:1 help, contact via chat