Automate Professional LinkedIn Posts with OpenAI GPT, DALL-E and Trending Topics

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Built by Mohamed Abubakkar Mohamed Abubakkar
Created on June 05, 2026

Description

Overall Description

This workflow fully automates the process of creating and publishing professional LinkedIn posts based on real-world experience in AI automation and workflow engineering, enriched with latest industry insights from the internet, and paired with a relevant high-quality image

The workflow ensures:

Content relevance to AI automation, backend/frontend systems, IT
Professional, human-friendly post tone
Image validation before posting
Post validation before publishing
Automatic success/failure email alerts

Worflow Logic

Trigger workflow (daily, weekly, custom date)
Define posting context (based on your expertise)
Fetch latest AI/automation trends (you can change based on your interested trends)
Filter insights relevant to your field
Generate linkedin ready post using AI Agent (OpenAI API)
Generate image from Open AI Image model related to the post
Validate image and text quality
Merge approved text and image
Convert content into LinkedIn format
Publish post on LinkedIn
Send email notification on success or failure

Setup Instructions
Credentials

OpenAI API Key – For text generation.
LinkedIn API Token – For publishing posts.
Image Generation API – DALL-E, Pollinations, or MidJourney.
Gmail / SMTP – For notifications.
Optional APIs: SERP API for trending topics.

Nodes Used (5)

Code
n8n-nodes-base.code
HTTP Request
n8n-nodes-base.httpRequest
LinkedIn
n8n-nodes-base.linkedIn
OpenAI
@n8n/n8n-nodes-langchain.openAi
Send Email
n8n-nodes-base.emailSend