Automate Your Social Media Posting with n8n: X, LinkedIn & Instagram

Why I Automated My Social Media

Posting consistently across X, LinkedIn, and Instagram was eating 30-45 minutes of my day. For a developer working 2-3 hours on side projects, that's 25-35% of my productive time gone.

So I built an n8n workflow that handles everything automatically.

Architecture: n8n as the Orchestrator

Content Queue (Google Sheets / Notion)
    → n8n (scheduled trigger)
        → AI Caption Generator (Claude API)
        → X/Twitter (API v2)
        → LinkedIn (Email draft)
        → Instagram (Meta Graph API)
    → Notification (Telegram)

X/Twitter: Auto-Posting with API v2

The X API v2 makes posting straightforward:

// n8n HTTP Request node
{
  method: "POST",
  url: "https://api.twitter.com/2/tweets",
  authentication: "oAuth2",
  body: {
    text: "{{ $json.caption_english }}"
  }
}

For threads, post the first tweet, capture the ID, then reply to it in a loop.

LinkedIn: Email Draft Workflow

LinkedIn's API is restrictive for automated posting. My workaround:

1. Claude generates the LinkedIn post text (French, B2B angle)
2. n8n sends it to my email as a draft
3. I review and post manually (2 minutes vs writing from scratch)

Instagram: Posting via Meta Graph API

Instagram requires a Facebook Business Page connected to your Instagram account:

// Step 1: Create media container
POST https://graph.facebook.com/v18.0/{ig_user_id}/media
{ image_url: "...", caption: "..." }

// Step 2: Publish
POST https://graph.facebook.com/v18.0/{ig_user_id}/media_publish
{ creation_id: "..." }

Scheduling and Content Queue

I use a Google Sheet as my content queue: | Date | Topic | English Caption | French Caption | Image URL | Status | |------|-------|----------------|----------------|-----------|--------|

n8n checks the sheet every day at 9 AM, picks the next unpublished row, and distributes it.

The Full n8n Workflow

The workflow JSON is available on my GitHub. Import it, add your API keys, and you're live.

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Need custom workflow automation? Let's build it together.