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

by LukaszB ✓ · 247 views · created 2025-09-04 · Content Creation, Multimodal AI

What this workflow does

This AI workflow has 53 nodes and runs manually, when you click “Execute workflow”. Along the way it connects JWT, Google Gemini Chat Model and OpenAI Chat Model. It also calls googleapis.com, generativelanguage.googleapis.com and api.creatomate.com over HTTP.

How it runs

Trigger: Manually, when you click “Execute workflow”.

1. Form (Edit Fields (Set)): sets 8 fields: BusinessName, BusinessDescription, Services…
2. Set Credintenails (Edit Fields (Set)): sets 8 fields: PROJECT_ID, CLIENT_EMAIL, LOCATION_ID…
3. Planning the ad (Basic LLM Chain): sends a prompt to an LLM, with model: OpenAI Chat Model; output parser: Structured Output Parser
4. Merge: merges the data from its input branches
5. Write content for social media (Basic LLM Chain): sends a prompt to an LLM, with model: OpenAI Chat Model; output parser: Structured Output Parser
6. Part_ (Basic LLM Chain): sends a prompt to an LLM, with model: OpenAI Chat Model
7. Analyze part (Basic LLM Chain): sends a prompt to an LLM, with model: Google Gemini Chat Model; output parser: Structured Output Parser
8. Merge: merges the data from its input branches
9. JWT: uses JWT
10. Part_ (Basic LLM Chain): sends a prompt to an LLM, with model: OpenAI Chat Model

…plus 31 more steps. See the full node list below.

Services it uses

JWTGoogle Gemini Chat ModelOpenAI Chat Model

HTTP calls to: googleapis.com, generativelanguage.googleapis.com, api.creatomate.com

Before you upgrade to n8n 3.0

Nodes used (13)

• Manual Triggern8n-nodes-base.manualTrigger
• Edit Fields (Set)n8n-nodes-base.set
• Convert to Filen8n-nodes-base.convertToFile
• Switchn8n-nodes-base.switch
• HTTP Requestn8n-nodes-base.httpRequest
• Waitn8n-nodes-base.wait
• JWTn8n-nodes-base.jwt
• Basic LLM Chain@n8n/n8n-nodes-langchain.chainLlm
• Structured Output Parser@n8n/n8n-nodes-langchain.outputParserStructured
• Coden8n-nodes-base.code
• Google Gemini Chat Model@n8n/n8n-nodes-langchain.lmChatGoogleGemini
• OpenAI Chat Model@n8n/n8n-nodes-langchain.lmChatOpenAi
• Mergen8n-nodes-base.merge

From the author

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…

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