Templates / Auto-create & post social media reels with Google Veo-3 AI and GPT

Auto-create & post social media reels with Google Veo-3 AI and GPT

Ready for 3.0

by Automate With Marc ✓ · 4,889 views · created 2025-08-12 · 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 AI workflow has 11 nodes and runs when a chat message arrives. Along the way it connects OpenAI. It also calls api.wavespeed.ai and api.postiz.com over HTTP.

How it runs

Trigger: When a chat message arrives.

  1. GPT-5 AI Video Prompt Agent (OpenAI): uses OpenAI
  2. Veo3 Video Generator (HTTP Request): calls api.wavespeed.ai (POST)
  3. 30 Wait (Wait): waits 30 seconds
  4. Veo3 GET (HTTP Request): calls an HTTP API
  5. If: checks a condition and branches into true / false
  6. Wait: waits 30 seconds
  7. GPT-5 Caption Agent (OpenAI): uses OpenAI
  8. Download Video (HTTP Request): calls an HTTP API
  9. Upload to Postiz (HTTP Request): calls api.postiz.com (POST)
  10. POSTIZ Post to Socials (IG) (HTTP Request): calls api.postiz.com (POST)

Services it uses

OpenAI

HTTP calls to: api.wavespeed.ai, api.postiz.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 (5)

From the author

🚀 GPT-5 + Veo-3 Instagram Reel Auto-Creator & Auto-Poster Description: This n8n workflow is a fully automated short-form video content engine that takes your creative idea, turns it into a cinematic video using Google Veo-3 via Wavespeed API, writes an…

Excerpt from Automate With Marc's description on n8n.io.

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

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