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Generate & publish professional video ads with Veo 3, Gemini & Creatomate

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Generate & publish professional video ads with Veo 3, Gemini & Creatomate preview
Open on n8n.io

Important notice

This workflow is provided as-is. Please review and test before using in production.

1. Workflow Overview

Professional AI Powered Ad Generator Creating high quality video ads has traditionally been one of the biggest challenges for small businesses and marketers. It usually requires a production team, ...

Best for

  • Content Creation automation workflows
  • Multimodal AI automation workflows
  • advanced n8n builders looking for reusable templates

Tools used

n8n-nodes-base.manualtrigger, n8n-nodes-base.set, n8n-nodes-base.converttofile, n8n-nodes-base.switch, n8n-nodes-base.httprequest, n8n-nodes-base.wait, n8n-nodes-base.jwt, @n8n/n8n-nodes-langchain.chainllm

Source and attribution

This workflow is cataloged by N8N Workflows and links back to its original n8n.io source page by LukaszB.

Original n8n.io source

1.1 Workflow description

Title
Generate & publish professional video ads with Veo 3, Gemini & Creatomate
Workflow name
Generate & publish professional video ads with Veo 3, Gemini & Creatomate

Professional AI-Powered Ad Generator

Creating high-quality video ads has traditionally been one of the biggest challenges for small businesses and marketers. It usually requires a production team, editing software, and days of effort before anything is ready to publish. That makes consistency almost impossible — especially if you want to publish new ads every day.

This workflow changes the process entirely. Built in n8n, the Professional AI-Powered Ad Generator combines AI and automation to handle everything from script creation to video rendering and social media publishing. The goal is simple: allow you to create and distribute short, engaging video ads in minutes, without relying on a studio, editors, or complicated tools.


Why This Workflow Matters

Most businesses know the importance of consistent advertising, but producing daily video content has always felt out of reach. This workflow makes it practical by:

  • Automating creative tasks that normally require a writer or video editor.
  • Integrating multiple AI tools into one connected system.
  • Publishing directly to social media so your ads reach people without extra steps.

Instead of spending hours editing or outsourcing to agencies, you can now go from idea to published ad in the same amount of time it takes to write a short post.


How It Works

The process starts with a simple form where you enter your business details: name, service, offer, and call-to-action. From there, the workflow runs automatically:

1. Script Planning

AI generates a short, two-part script that feels natural and relatable.

  • Part one introduces a problem.
  • Part two presents your business as the solution, ending with a strong CTA.

2. Video Generation with Google Veo 3

Each part of the script is turned into an 8-second cinematic video clip, visually optimized for vertical platforms.

3. Character Consistency with Google Gemini

Characters are analyzed and matched across both clips, creating a smooth narrative with visual continuity.

4. Assembly with Creatomate

Both clips are merged into a 16-second vertical ad, automatically formatted for TikTok, Instagram, and YouTube Shorts.

5. Automated Publishing with Postiz

The final video is scheduled and posted to your connected social accounts.

  • Captions and titles are generated automatically.
  • No manual uploads or extra steps.

What You Gain

  • Daily publishing at scale – Generate and release multiple ads per day.
  • ⏱️ Time savings – Go from idea to ad in just minutes.
  • 📈 Consistency – Maintain a professional, frequent social presence.
  • 💰 Cost efficiency – No production crew, no software, no outsourcing.
  • 🧩 Flexibility – Ideal for local businesses, service providers, and agencies.

Honest Advantage

This workflow doesn’t replace creativity — it makes it practical. You still define the message:

  • The service
  • The offer
  • The story

But the heavy lifting — scripting, video production, visual continuity, and publishing — is automated. You focus on ideas, while the system handles execution.


Conclusion

The Professional AI-Powered Ad Generator is not a promise of magic. It’s a dependable system that helps small teams and solo entrepreneurs consistently create and publish professional ads — without the usual bottlenecks.

> From a simple brief to a polished, published ad — all in one automated flow.

Advertising, simplified. Automation, scaled.

1.2 Logical Blocks

This catalog entry is organized from the workflow JSON. The node-level section below shows the executable blocks available for review before importing the template.

2. Block-by-Block Analysis

Block 1 - When clicking ‘Execute workflow’

Type / Role
n8n-nodes-base.manualTrigger - manualTrigger
Config choices
Version 1

Block 2 - Form

Type / Role
n8n-nodes-base.set - set
Config choices
Version 3.4

Block 3 - Convert to File

Type / Role
n8n-nodes-base.convertToFile - convertToFile
Config choices
Version 1.1

Block 4 - Switch

Type / Role
n8n-nodes-base.switch - switch
Config choices
Version 3.2

Block 5 - Fetch Status

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 6 - Wait

Type / Role
n8n-nodes-base.wait - wait
Config choices
Version 1.1

Block 7 - JWT

Type / Role
n8n-nodes-base.jwt - jwt
Config choices
Version 1

Block 8 - GET TOKEN

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 9 - Generate Video

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 10 - Planning the ad

Type / Role
@n8n/n8n-nodes-langchain.chainLlm - chainLlm
Config choices
Version 1.7

Block 11 - Part_1

Type / Role
@n8n/n8n-nodes-langchain.chainLlm - chainLlm
Config choices
Version 1.7

Block 12 - Part_2

Type / Role
@n8n/n8n-nodes-langchain.chainLlm - chainLlm
Config choices
Version 1.7

Block 13 - Convert to File1

Type / Role
n8n-nodes-base.convertToFile - convertToFile
Config choices
Version 1.1

Block 14 - Switch1

Type / Role
n8n-nodes-base.switch - switch
Config choices
Version 3.2

Block 15 - Fetch Status1

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 16 - Wait1

Type / Role
n8n-nodes-base.wait - wait
Config choices
Version 1.1

Block 17 - Generate Video1

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 18 - Structured Output Parser

Type / Role
@n8n/n8n-nodes-langchain.outputParserStructured - outputParserStructured
Config choices
Version 1.3

Block 19 - Begin Gemini Upload Session

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 20 - Upload Video to Gemini

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 21 - Analyze Video with Gemini

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Block 22 - Structured Output Parser1

Type / Role
@n8n/n8n-nodes-langchain.outputParserStructured - outputParserStructured
Config choices
Version 1.3

Block 23 - Shotstack HTTP Body

Type / Role
n8n-nodes-base.code - code
Config choices
Version 2

Block 24 - Merge - Creatomate

Type / Role
n8n-nodes-base.httpRequest - httpRequest
Config choices
Version 4.2

Showing the first 24 of 66 workflow blocks. Download the JSON for the full node graph.

3. Summary Table

Workflow Generate & publish professional video ads with Veo 3, Gemini & Creatomate
Complexity advanced
Nodes 66
Categories Content Creation, Multimodal AI
Author LukaszB
Published 04 Sept 2025

4. Reproducing the Workflow from Scratch

  1. 1. Download the workflow JSON

    Use the JSON export at /data/workflows/8263/8263.json as the source template for this automation.

  2. 2. Import the template into n8n

    Open n8n, import the downloaded JSON, and review each node before activating the workflow.

  3. 3. Configure credentials and variables

    Replace placeholder credentials, API keys, webhook URLs, account IDs, and environment-specific values with your own settings.

  4. 4. Test with sample data

    Run the workflow manually or in a staging workspace, inspect node output, and confirm downstream systems receive the expected data.

  5. 5. Activate and monitor

    Enable the workflow only after testing, then monitor executions, errors, and rate limits during the first production runs.

5. General Notes & Resources

Review imported nodes carefully before activation. This catalog entry is intended to help you inspect the workflow structure, understand required services, and find related templates faster.

Node names, credentials, schedules, webhook paths, and external service limits may need adjustment for your workspace.

Frequently asked questions

What does Generate & publish professional video ads with Veo 3, Gemini & Creatomate do?

Professional AI Powered Ad Generator Creating high quality video ads has traditionally been one of the biggest challenges for small businesses and marketers. It usually requires a production team, ...

What do I need before importing this workflow?

Review the workflow JSON, configure any required credentials in n8n, and test the automation in a safe workspace before using it in production.

Can I customize this workflow?

Yes. Use the block-by-block analysis and the downloadable JSON to inspect each node, then adjust credentials, prompts, schedules, filters, or destinations for your Content Creation, Multimodal AI use case.