Create & Publish Instagram Carousel Posts with GPT-4.1-mini, Imgur & Graph API

Create & Publish Instagram Carousel Posts with GPT-4.1-mini, Imgur & Graph API

Version: 2.0.0 n8n Version: 1.88.0+ Author: Unknown License: MIT

Description

An intelligent and modular workflow that automatically generates, manages, and publishes Instagram carousel posts, using AI for both content and images. It includes semantic memory to ensure uniqueness across posts and a scalable architecture for brand growth.

Key Features

🤖 Advanced AI Carousel Content: Generates unique multi-slide post content—titles, captions, hashtags, and strategic CTAs for each card in the carousel. 🎨 Automated Image Generation: Creates high-quality visuals for every slide using OpenAI's DALL·E API. 🧠 Semantic Memory Search: Checks each theme against a local vector database using OpenAI Embeddings to avoid content repetition. 📊 Publication Database: Logs all generated carousel posts into Google Sheets for tracking, analytics, and audits. 📱 Instagram Direct Publishing: Publishes carousel media and captions automatically through the Instagram Graph API. 🗓️ Scheduled & Manual Runs: Trigger manually or schedule every 12 hours. 🔐 Secure Credential Management: Uses n8n credential fields—no hardcoded API keys or tokens. 🚀 Flexible Prompting System: Dynamically adapts style templates for different brands and industries.

Use Cases

1. E‑commerce Launches: Showcase product features across multiple slides with tailored benefits and CTAs. 2. Fitness & Wellness Tips: Educate followers with step-by-step workouts or nutrition advice in a carousel format. 3. Educational Infographics: Present multi-part tutorials, stats, or course highlights. 4. SaaS Feature Demos: Demonstrate software workflows or new features slide by slide. 5. Event Announcements: Build excitement for webinars, conferences, or local meetups.