Templates / 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

Needs changes

by Luciano Gutierrez ✓ · 2,419 views · created 2025-04-24 · Content Creation, Multimodal AI

Needs changes. This template uses 1 thing(s) that n8n 3.0 removes: AI Agent v1 (old agent modes). 1 breaking item(s) found. Static check, last run 2026-10-19.

What this workflow does

This AI workflow has 17 nodes and runs manually, when you click “Execute workflow” (plus 1 other trigger). Along the way it connects OpenAI Chat Model, Embeddings OpenAI, Vector Store Question Answer and OpenRouter Chat Model and 2 more. It also calls api.imgur.com and graph.instagram.com over HTTP.

How it runs

Trigger: Manually, when you click “Execute workflow” (plus 1 other trigger).

  1. generate search term (Code): runs custom JavaScript code
  2. AI Agent: runs an AI agent, with model: OpenAI Chat Model; 2 tools (Simple Vector Store, Answer questions with a vector store); memory: Simple Memory
  3. Parsear JSON Inicial (Code): runs custom JavaScript code
  4. save in sheets (Google Sheets): append
  5. generate image (OpenAI): work with image
  6. upload image to imgur (HTTP Request): calls api.imgur.com (POST)
  7. create container (HTTP Request): calls graph.instagram.com
  8. POst to instagram (HTTP Request): calls graph.instagram.com (POST)

Services it uses

OpenAI Chat ModelEmbeddings OpenAIVector Store Question AnswerOpenRouter Chat ModelGoogle SheetsOpenAI

HTTP calls to: api.imgur.com, graph.instagram.com

Before you upgrade to n8n 3.0

1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:

  • AI Agent v1 (old agent modes) in AI Agent (v1.8): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.
Removed in 3.0Replace with
AI Agent v1 (old agent modes)
AI Agent (v1.8)
Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.

Nodes used (13)

From the author

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…

Excerpt from Luciano Gutierrez's description on n8n.io.

View the original on n8n.io → Check your own copy

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