Automate Google Business Profile posts with GPT-4 & Google Sheets

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Important notice

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

1. Workflow Overview

This powerful n8n workflow automatically generates and publishes Google Business Profile (GMB) posts using topics listed in a Google Sheet. It uses OpenAI to write SEO optimized post descriptions a...

Best for

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

Tools used

n8n-nodes-base.googlesheets, n8n-nodes-base.googlebusinessprofile, n8n-nodes-base.scheduletrigger, @n8n/n8n-nodes-langchain.agent, @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 Muhammad Qaisar Mehmood.

Original n8n.io source

1.1 Workflow description

Title: Automate Google Business Profile posts with GPT-4 & Google Sheets
Workflow name: Automate Google Business Profile posts with GPT-4 & Google Sheets

This powerful n8n workflow automatically generates and publishes Google Business Profile (GMB) posts using topics listed in a Google Sheet.
It uses OpenAI to write SEO-optimized post descriptions and generate AI images based on the topic — then posts them directly to your GMB profile and marks them as published in the sheet.

🎯 Use Case

Perfect for:

Digital marketers managing local SEO
Agencies automating content for clients
Businesses regularly posting to GMB
Teams managing editorial calendars via Google Sheets

⚙️ Workflow Overview

🧩 Node	🔧 Purpose
🕘 Schedule Trigger	Runs daily at 9AM (configurable)
📄 Get Unpublished Row	Reads a row from Google Sheet where Status is not marked "Published"
✍️ Generate Post Text	Uses OpenAI (GPT-4) to write a compelling, local-business optimized post
🖼 Generate Post Image	Uses DALL·E or similar to create an image matching the topic
📬 Post to GMB	Publishes the generated content to your Google Business Profile
✅ Update Sheet	Marks the status as "Published" in the Google Sheet

📄 Google Sheet Format

Column Name	Description
Topic	The subject or idea for the GMB post
Status	Should be blank or "Unpublished" to trigger the flow
Date	(Optional) Posting schedule or note
Notes	(Optional) Internal info — not used in the automation

🔐 Google My Business API Setup

1. Google Cloud Configuration

Go to Google Cloud Console
Enable the Google My Business API
Create OAuth2 Client ID and Client Secret
Add this required scope:

2. Request for GMB Quota

You need to request for GMB (Google Business Profile) API Quota from here, beacuse by deafult it sets to zero: https://support.google.com/business/contact/api_default

3. n8n Credential Setup

In n8n, go to Credentials > Google OAuth2
Use your Client ID and Client Secret
Use this credential in GMB-related nodes

🧠 OpenAI Prompt Customization

Modify the prompt in the OpenAI node to match your brand’s voice:

Example Prompt

Write a short, engaging Google Business Post about: "{{ $json.topic }}".  
Make it suitable for a local audience and include a subtle call to action.

🧪 Optional Enhancements

Add If node to delay publishing on certain days
Use Slack or Email notifications to alert before/after posting
Use Multiple Businesses by adding a Router or Switch node per GMB account

✅ Benefits

🔁 Fully automated GMB posting
✍️ SEO-optimized, AI-written content
🖼 Matching images for visual engagement
📊 Maintains a content log via Google Sheets
🧠 Easily customizable prompt logic and schedule

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 - Get Unpublished Row

Type / Role: n8n-nodes-base.googleSheets - googleSheets
Config choices: Version 4.6

Block 2 - Post to GMB

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

Block 3 - Mark as Published

Type / Role: n8n-nodes-base.googleSheets - googleSheets
Config choices: Version 4.6

Block 4 - Schedule Trigger1

Type / Role: n8n-nodes-base.scheduleTrigger - scheduleTrigger
Config choices: Version 1.2

Block 5 - AI Agent

Type / Role: @n8n/n8n-nodes-langchain.agent - agent
Config choices: Version 2.1

Block 6 - OpenAI Chat Model

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

3. Summary Table

Workflow	Automate Google Business Profile posts with GPT-4 & Google Sheets
Complexity	intermediate
Nodes	6
Categories	Social Media, Multimodal AI
Author	Muhammad Qaisar Mehmood
Published	19 Jul 2025

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/6165/6165.json as the source template for this automation.
2. Import the template into n8n

Open n8n, import the downloaded JSON, and review each node before activating the workflow.
3. Configure credentials and variables

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

Download workflow JSON Original n8n.io source Social Media workflows Multimodal AI workflows

Frequently asked questions

What does Automate Google Business Profile posts with GPT-4 & Google Sheets do?

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.

Muhammad Qaisar Mehmood

3 workflows

Nodes

n8n-nodes-base.googlesheets n8n-nodes-base.googlebusinessprofile n8n-nodes-base.scheduletrigger @n8n/n8n-nodes-langchain.agent @n8n/n8n-nodes-langchain.lmchatopenai

Complexity

intermediate

Published 19 Jul 2025

Likes 0

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Install path: /data/workflows/6165/6165.json

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Automate Google Business Profile posts with GPT-4 & Google Sheets

Workflow preview

Important notice

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

🎯 Use Case

⚙️ Workflow Overview

📄 Google Sheet Format

🔐 Google My Business API Setup

1. Google Cloud Configuration

2. Request for GMB Quota

3. n8n Credential Setup

🧠 OpenAI Prompt Customization

Example Prompt

🧪 Optional Enhancements

✅ Benefits

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Get Unpublished Row

Block 2 - Post to GMB

Block 3 - Mark as Published

Block 4 - Schedule Trigger1

Block 5 - AI Agent

Block 6 - OpenAI Chat Model

3. Summary Table

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

2. Import the template into n8n

3. Configure credentials and variables

4. Test with sample data

5. Activate and monitor

5. General Notes & Resources

Frequently asked questions