Auto-Generate Instagram Carousels with GPT-Image-1 & AI Captions from Google Sheets

Description

🧰 Instagram Carousel Scheduler

A tool to automatically publish Instagram carousels using a Post Description, Instructions, and the number of images you want to post — all directly from a Google Sheet.
At the end of each post, the next row is marked as Pending, allowing fully automated posting, so you can prepare months of content in advance.
✅ Requirements

📱 Instagram Business Account
Required to publish content via the Meta Graph API.
Make sure your IG account is connected to a Facebook Page.

🔐 Facebook Developers Token
Required to use the Graph API and publish on Instagram.
👉 It's highly recommended to create a System User so your token never expires.

☁️ Cloudinary Upload Preset
Used to upload generated images and retrieve public URLs.
👉 Use an unsigned upload preset (no API key required).

🧠 OpenAI API Key
Used for:
Generating a caption from the post description.
Creating image prompts.
Generating images using gpt-image-1.
⚠️ You might need to verify your business with OpenAI to access this model.

📊 Google Sheets App with OAuth credentials
To fetch your content and instructions from the spreadsheet.
💬 Notes and Customization

✏️ You can customize the prompt to change the visual style of the images.
Examples:

Gumball style
Comic-style illustration
Digital painting

🔄 You can replace Google Sheets with tools like:

Airtable
Notion
Your own database

🔐 If Facebook requires a Privacy Policy, you can quickly create one here:
👉 https://www.privacypolicygenerator.info