The n8n workflow itself is free; you only pay for the API calls to OpenAI and the social platforms.

What do I need to get started?

An n8n instance, API credentials for Google Sheets, OpenAI, Facebook Graph, X, and LinkedIn, plus a Google Sheet for tracking.

Download the workflow JSON and import it directly into your n8n editor, then add the required credentials.

AI-Powered Multi-Social Media Post Automation: Google Trends & Perplexity AI

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Automates AI content generation and posting to Facebook, X, and LinkedIn via OpenAI.

n8nAI & LLMIntermediate👁 41K views

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Updated 2026-06-15

What this workflow does

This n8n automation reads inputs from Google Sheets, processes them with OpenAI for content creation, and distributes formatted posts to Facebook, X, and LinkedIn using their APIs.

It is designed for social media managers and marketers seeking to streamline multi-platform publishing with AI assistance and basic data tracking.

Who is this for?

Social media managers and content marketers at startups or agencies who need consistent multi-platform posting without daily manual effort. Also useful for growth teams tracking trends for LinkedIn, X, and Facebook.

What problem it solves

Finding trending topics, researching them, writing posts, and publishing across platforms is repetitive and time-consuming. This workflow automates discovery through publication while logging everything.

Live workflow preview

Interactive canvas of every node and connection — scroll and click to explore. Powered by n8n's preview.

Open the template on n8n to import and run it. View source template →

What it automates

Daily LinkedIn thought-leadership posts

A solo founder runs the workflow each morning to turn Google Trends into polished LinkedIn updates without writing from scratch.

Cross-platform campaign for product launches

Marketing teams use it to convert one trending query into coordinated posts on LinkedIn, X, and Facebook with consistent messaging.

Weekly content batch for agencies

Agencies log selected trends in Google Sheets, generate AI drafts, and schedule posts for multiple clients in one run.

How the workflow works

The 7 nodes in this automation, in order.

1Google SheetsgoogleSheets
2HTTP RequesthttpRequest
3Facebook Graph APIfacebookGraphApi
4X (Formerly Twitter)twitter
5LinkedInlinkedIn
6Codecode
7OpenAI@n8n/n8n-nodes-langchain.openAi

Apps & integrations used

Google SheetsHTTP RequestFacebook Graph APIX (Formerly Twitter)LinkedInOpenAI

How to set up AI-Powered Multi-Social Media Post Automation: Google Trends & Perplexity AI

1Import the workflow JSON into n8n and activate it.
2Add credentials for Google Sheets, OpenAI, and the social APIs (Facebook Graph, X, LinkedIn).
3Connect or create a Google Sheet to store selected trends and post IDs.
4Configure the HTTP Request node to fetch data from Google Trends.
5Set the schedule trigger to run daily or weekly as needed.
6Test the OpenAI node prompt and adjust output format before enabling live posting.

How to customize this workflow

→Swap OpenAI for another model node if preferred.
→Change the schedule trigger to run on demand via webhook.
→Add extra HTTP Request nodes for additional platforms beyond the three included.
→Edit the Google Sheets columns to track extra metrics like engagement.