Generate social media posts with GPT-4 for LinkedIn, X, and Facebook

by Oneclick AI Squad ✓ · 623 views · created 2026-02-24 · Social Media, Multimodal AI

What this workflow does

This workflow has 16 nodes and runs on a schedule (cron 0 10 * * *). Along the way it connects Postgres. It also calls api.openai.com, api.linkedin.com and api.twitter.com over HTTP.

How it runs

Trigger: On a schedule (cron 0 10 * * *).

1. Select content topic and type (Code): runs custom JavaScript code
2. Generate content with OpenAI GPT- (HTTP Request): calls api.openai.com (POST)
3. Parse AI response and extract content (Code): runs custom JavaScript code
4. Optimize content for each platform (Code): runs custom JavaScript code
5. Split content for each platform (Split Out): splits a list into separate items
6. Route to appropriate platform (Switch): routes items into 3 branches
7. Post to LinkedIn (HTTP Request): calls api.linkedin.com (POST)
8. Post to Twitter/X (HTTP Request): calls api.twitter.com (POST)
9. Post to Facebook (HTTP Request): calls graph.facebook.com (POST)
10. Aggregate: combines items into one

…plus 5 more steps. See the full node list below.

Services it uses

Postgres

HTTP calls to: api.openai.com, api.linkedin.com, api.twitter.com, graph.facebook.com

Before you upgrade to n8n 3.0

Nodes used (7)

• Schedule Triggern8n-nodes-base.scheduleTrigger
• Coden8n-nodes-base.code
• HTTP Requestn8n-nodes-base.httpRequest
• Split Outn8n-nodes-base.splitOut
• Switchn8n-nodes-base.switch
• Aggregaten8n-nodes-base.aggregate
• Postgresn8n-nodes-base.postgres

From the author

Automatically generates engaging marketing posts using OpenAI and publishes them across LinkedIn, Twitter (X), and Facebook. Creates platform-optimized content with hashtags, emojis, and proper formatting. How it works 1. Trigger — Runs daily at 10 AM or…

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