Templates / Turn new blog posts into TikTok and Instagram slideshows with Postdom and Slack approval

Turn new blog posts into TikTok and Instagram slideshows with Postdom and Slack approval

Ready for 3.0

by Dean Fankhauser · 1 views · created 2026-10-07 · Content Creation, Multimodal AI

Ready 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 14 nodes and runs on RSS Feed events. Along the way it connects Slack. It also calls api.postdom.com over HTTP.

How it runs

Trigger: On RSS Feed events.

  1. Your settings (Edit Fields (Set)): sets 5 fields: platforms, slide_size, brand_handle…
  2. Write slide copy (Code): runs custom JavaScript code
  3. Render branded slideshow (HTTP Request): calls api.postdom.com (POST)
  4. Slides ready? (If): checks a condition and branches into true / false
  5. Ask for approval in Slack (Slack): send and wait for a reply
  6. Wait: waits 10 seconds
  7. Approved? (If): checks a condition and branches into true / false
  8. Check slideshow (HTTP Request): calls an HTTP API
  9. Get connected accounts (HTTP Request): calls api.postdom.com
  10. Build the post (Code): runs custom JavaScript code

…plus 2 more steps. See the full node list below.

Services it uses

Slack

HTTP calls to: api.postdom.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 (8)

From the author

Quick Overview This workflow checks an RSS feed hourly for new blog posts, turns each post into a branded slideshow with Postdom, asks for approval in Slack, and on approval schedules the slideshow as a TikTok and Instagram post via Postdom. How it works 1.…

Excerpt from Dean Fankhauser's description on n8n.io.

View the original on n8n.io → Check your own copy

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