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AI-powered blog post promoter for Instagram, Facebook & X with GPT

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AI-powered blog post promoter for Instagram, Facebook & X with GPT preview
Open on n8n.io

Important notice

This workflow is provided as-is. Please review and test before using in production.

1. Workflow Overview

AI Social Media Promoter – Automated Blog Sharing Workflow This workflow is built for bloggers, creators, and marketing teams who want to automatically promote new blog content across Instagram, Fa...

Best for

  • Social Media automation workflows
  • Multimodal AI automation workflows
  • advanced n8n builders looking for reusable templates

Tools used

@n8n/n8n-nodes-langchain.outputparserstructured, n8n-nodes-base.rssfeedreadtrigger, n8n-nodes-base.set, n8n-nodes-base.if, n8n-nodes-base.code, n8n-nodes-base.aggregate, n8n-nodes-base.stickynote, @n8n/n8n-nodes-langchain.lmchatopenai

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by LukaszB.

Original n8n.io source

1.1 Workflow description

Title
AI-powered blog post promoter for Instagram, Facebook & X with GPT
Workflow name
AI-powered blog post promoter for Instagram, Facebook & X with GPT

AI Social Media Promoter – Automated Blog Sharing Workflow This workflow is built for bloggers, creators, and marketing teams who want to automatically promote new blog content across Instagram, Facebook, and X (Twitter). Its core purpose is to detect new blog posts from your RSS feed and instantly create platform-specific social media posts — complete with AI-generated captions and visuals — to drive traffic from social media back to your blog. Everything runs on autopilot: from detecting a new article to posting eye-catching content on each platform, while logging actions to Google Sheets and sending post previews by email. The result is a consistent and professional online presence with zero manual effort.

How it works Once a new blog post appears in your RSS feed, the workflow kicks in. It checks Google Sheets to ensure the post hasn’t already been published. Then it calls GPT-4 to generate unique captions for Instagram, Facebook, and X, based on the post content and your brand’s tone. Simultaneously, OpenAI's GPT-Image generates a custom visual in the right format (square, portrait, or landscape). The workflow then publishes the complete posts using the Meta Graph API (for IG/FB) and X API (Twitter). All actions are logged in a Google Sheet, and a formatted email summary with images is sent to your inbox for review.

How to set up To get started, connect the required APIs: OpenAI (for text and images), ImgBB or Cloudinary (for image hosting), Meta (Instagram/Facebook), X (Twitter), Google Sheets, and Gmail. Replace placeholder values in HTTP request nodes — such as your RSS URL, API keys, or spreadsheet ID. You can personalize the prompt content with your blog name, tone of voice, and call-to-action. Once connected, the system is fully automated. You can run it manually, or schedule it to check your blog daily with a Schedule Trigger node.

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - Social Media Content

Type / Role
@n8n/n8n-nodes-langchain.outputParserStructured - outputParserStructured
Config choices
Version 1.2

Block 2 - RSS Feed Trigger

Type / Role
n8n-nodes-base.rssFeedReadTrigger - rssFeedReadTrigger
Config choices
Version 1

Block 3 - Edit Fields

Type / Role
n8n-nodes-base.set - set
Config choices
Version 3.4

Block 4 - If

Type / Role
n8n-nodes-base.if - if
Config choices
Version 2.2

Block 5 - Code

Type / Role
n8n-nodes-base.code - code
Config choices
Version 2

Block 6 - Aggregate1

Type / Role
n8n-nodes-base.aggregate - aggregate
Config choices
Version 1

Block 7 - Sticky Note

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

Block 8 - gpt-4.1 mini

Type / Role
@n8n/n8n-nodes-langchain.lmChatOpenAi - lmChatOpenAi
Config choices
Version 1.2

Block 9 - Social Media Content Creator

Type / Role
@n8n/n8n-nodes-langchain.agent - agent
Config choices
Version 1.7

Block 10 - Sticky Note1

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

Block 11 - Sticky Note5

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

Block 12 - Sticky Note8

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

Block 13 - Sticky Note9

Type / Role
n8n-nodes-base.stickyNote - stickyNote
Config choices
Version 1

Block 14 - Create image open ai2

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 15 - Save Image to imgbb.com3

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 16 - Get image from imgbb

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 17 - Post image Cloudianry

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 18 - Upload media to Instagram

Type / Role
n8n-nodes-base.facebookGraphApi - facebookGraphApi
Config choices
Version 1

Block 19 - Publish Post on IG

Type / Role
n8n-nodes-base.facebookGraphApi - facebookGraphApi
Config choices
Version 1

Block 20 - Create image open ai

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 21 - Save Image to imgbb.com

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 22 - Get image from imgbb1

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 23 - Post image Cloudianry1

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 24 - Facebook Post1

Type / Role
n8n-nodes-base.facebookGraphApi - facebookGraphApi
Config choices
Version 1

Showing the first 24 of 44 workflow blocks. Download the JSON for the full node graph.

3. Summary Table

Workflow AI-powered blog post promoter for Instagram, Facebook & X with GPT
Complexity advanced
Nodes 44
Categories Social Media, Multimodal AI
Author LukaszB
Published 14 May 2025

4. Reproducing the Workflow from Scratch

  1. 1. Download the workflow JSON

    Use the JSON export at /data/workflows/4033/4033.json as the source template for this automation.

  2. 2. Import the template into n8n

    Open n8n, import the downloaded JSON, and review each node before activating the workflow.

  3. 3. Configure credentials and variables

    Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.

  4. 4. Test with sample data

    Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.

  5. 5. Activate and monitor

    Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Frequently asked questions

What does AI-powered blog post promoter for Instagram, Facebook & X with GPT do?

AI Social Media Promoter – Automated Blog Sharing Workflow This workflow is built for bloggers, creators, and marketing teams who want to automatically promote new blog content across Instagram, Fa...

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Social Media, Multimodal AI use case.