Post Google News headlines to Instagram images with GPT-4o-mini, PDF API Hub and Google Sheets

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1. Workflow Overview

Name Auto post Google News to Instagram with OpenAI, PDF API Hub & Google Sheets Description Automatically fetch trending news from Google News RSS, rewrite headlines into viral captions with OpenA...

Best for

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

Tools used

n8n-nodes-base.stickynote, n8n-nodes-base.scheduletrigger, n8n-nodes-base.set, n8n-nodes-base.googlesheets, n8n-nodes-base.rssfeedread, n8n-nodes-base.code, @n8n/n8n-nodes-langchain.chainllm, @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 Rishabh Dugar.

Original n8n.io source

1.1 Workflow description

Title: Post Google News headlines to Instagram images with GPT-4o-mini, PDF API Hub and Google Sheets
Workflow name: Post Google News headlines to Instagram images with GPT-4o-mini, PDF API Hub and Google Sheets

Name

Auto-post Google News to Instagram with OpenAI, PDF API Hub & Google Sheets

Description

Automatically fetch trending news from Google News RSS, rewrite headlines into viral captions with OpenAI, generate branded breaking-news images using PDF API Hub's HTML-to-Image API, and publish directly to Instagram — all tracked in a Google Sheet.

How it works

Every hour, the workflow pulls the latest articles from Google News RSS for your chosen topic
New articles are deduplicated against a Google Sheet to avoid reposting
OpenAI (GPT-4o-mini) rewrites the headline into a short, high-impact viral caption
PDF API Hub converts a branded HTML template into a mobile-format breaking-news image
The image is published to Instagram, and the Google Sheet row is updated with the image URL and marked as posted

Set up steps

Create a Google Sheet with a tab named rss and add the required column headers (~2 min). See the sticky note inside the workflow for the exact structure.
Connect your four credentials: Google Sheets OAuth2, OpenAI API, PDF API Hub API, and Instagram API (~5 min)
Set your news topic in the Set Topic node (e.g. ai, crypto, sports)
Optionally customize the HTML/CSS in the Generate News Image node to match your brand
Activate the workflow

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 - Sticky Note - Overview

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

Block 2 - Sticky Note - Image Generation

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

Block 3 - Every Hour

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

Block 4 - Set Topic

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

Block 5 - Fetch Sheet Rows

Type / Role: n8n-nodes-base.googleSheets - googleSheets
Config choices: Version 4

Block 6 - Google News RSS

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

Block 7 - Deduplicate Articles

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

Block 8 - Save to Sheet

Type / Role: n8n-nodes-base.googleSheets - googleSheets
Config choices: Version 4

Block 9 - Rewrite Headline (AI)

Type / Role: @n8n/n8n-nodes-langchain.chainLlm - chainLlm
Config choices: Version 1.9

Block 10 - OpenAI GPT-4o-mini

Type / Role: @n8n/n8n-nodes-langchain.lmChatOpenAi - lmChatOpenAi
Config choices: Version 1.3

Block 11 - Generate News Image

Type / Role: n8n-nodes-pdf-api-hub.pdfSplitMerge - pdfSplitMerge
Config choices: Version 1

Block 12 - Post to Instagram

Type / Role: @mookielianhd/n8n-nodes-instagram.instagram - instagram
Config choices: Version 1

Block 13 - Save Image URL to Sheet

Type / Role: n8n-nodes-base.googleSheets - googleSheets
Config choices: Version 4.7

Block 14 - Mark as Posted

Type / Role: n8n-nodes-base.googleSheets - googleSheets
Config choices: Version 4.7

3. Summary Table

Workflow	Post Google News headlines to Instagram images with GPT-4o-mini, PDF API Hub and Google Sheets
Complexity	intermediate
Nodes	14
Categories	Social Media, Multimodal AI
Author	Rishabh Dugar
Published	13 Apr 2026

4. Reproducing the Workflow from Scratch

1. Download the workflow JSON

Use the JSON export at /data/workflows/15025/15025.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 Post Google News headlines to Instagram images with GPT-4o-mini, PDF API Hub and 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.

Rishabh Dugar

4 workflows

Nodes

n8n-nodes-base.stickynote n8n-nodes-base.scheduletrigger n8n-nodes-base.set n8n-nodes-base.googlesheets n8n-nodes-base.rssfeedread n8n-nodes-base.code @n8n/n8n-nodes-langchain.chainllm @n8n/n8n-nodes-langchain.lmchatopenai

Complexity

intermediate

Published 13 Apr 2026

Likes 0

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Install path: /data/workflows/15025/15025.json

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Post Google News headlines to Instagram images with GPT-4o-mini, PDF API Hub and Google Sheets

Workflow preview

1. Workflow Overview

Best for

Tools used

Source and attribution

1.1 Workflow description

Name

Description

How it works

Set up steps

1.2 Logical Blocks

2. Block-by-Block Analysis

Block 1 - Sticky Note - Overview

Block 2 - Sticky Note - Image Generation

Block 3 - Every Hour

Block 4 - Set Topic

Block 5 - Fetch Sheet Rows

Block 6 - Google News RSS

Block 7 - Deduplicate Articles

Block 8 - Save to Sheet

Block 9 - Rewrite Headline (AI)

Block 10 - OpenAI GPT-4o-mini

Block 11 - Generate News Image

Block 12 - Post to Instagram

Block 13 - Save Image URL to Sheet

Block 14 - Mark as Posted

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