Design and post LinkedIn content with AI captions and custom templates
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This workflow has 13 nodes and runs when an HTTP POST request hits its webhook URL (plus 1 other trigger). Along the way it connects LinkedIn. It also calls hcti.io and api.openai.com over HTTP.
How it runs
Trigger: When an HTTP POST request hits its webhook URL (plus 1 other trigger).
- Parse Form Data (Code): runs custom JavaScript code
- Create a post (LinkedIn): uses LinkedIn
- Create HTML Design (Code): runs custom JavaScript code
- Respond to Webhook: sends the response back to the webhook caller
- HTML to Image (HCTI) (HTTP Request): calls hcti.io (POST)
- Download Image (HTTP Request): calls an HTTP API
- Edit Image: resize
- Prepare Image Data (Code): runs custom JavaScript code
- ChatGPT - Generate Caption (HTTP Request): calls api.openai.com (POST)
- Prepare Final Response (Code): runs custom JavaScript code
…plus 1 more step. See the full node list below.
Services it uses
HTTP calls to: hcti.io, api.openai.com
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (6)
- Webhook
n8n-nodes-base.webhook - Code
n8n-nodes-base.code - HTTP Request
n8n-nodes-base.httpRequest - Respond to Webhook
n8n-nodes-base.respondToWebhook - LinkedIn
n8n-nodes-base.linkedIn - Edit Image
n8n-nodes-base.editImage
From the author
This workflow leverages n8n to automate LinkedIn content creation from start to finish. Upload an image and quote through a web form, and get a professionally designed post with AI-generated captions, ready to publish in seconds. Features Randomly selects…