Generate complete social media campaigns with DALL·E, GPT-4o and Slack approval

by Rahul Joshi ✓ · 305 views · created 2025-12-12 · Social Media, Multimodal AI

What this workflow does

This AI workflow has 22 nodes and runs when an HTTP POST request hits its webhook URL (plus 1 other trigger). Along the way it connects OpenAI Chat Model and Slack. It also calls api.cloudinary.com over HTTP.

How it runs

Trigger: When an HTTP POST request hits its webhook URL (plus 1 other trigger).

1. Clean & Normalize Product Input Fields (Edit Fields (Set)): sets 6 fields: body.product_name, body.product_description, body.target_audience…
2. Slack: uses Slack
3. Generate Campaign Blueprint Using AI (AI Agent): runs an AI agent, with model: LLM Engine for Campaign Blueprint; output parser: Parse Campaign Blueprint JSON
4. Generate Instagram Captions Using AI (AI Agent): runs an AI agent, with model: LLM Engine for Caption Writing; output parser: Parse Caption Output JSON
5. Split Campaign Posts for Image Generation (Split Out): splits a list into separate items
6. Generate Hashtag Set Using AI (AI Agent): runs an AI agent, with model: LLM Engine for Hashtag Generation; output parser: Parse Hashtag Output JSON
7. Combine All Campaign Assets (Merge): merges the data from its input branches
8. Generate Social Media Image Using AI (OpenAI): work with image
9. Generate Optimal Posting Schedule Using AI (AI Agent): runs an AI agent, with model: LLM Engine for Posting Schedule; output parser: Parse Posting Schedule Output JSON
10. Prepare Final Campaign Package JSON (Code): runs custom JavaScript code

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

Services it uses

OpenAI Chat ModelSlack

HTTP calls to: api.cloudinary.com

Before you upgrade to n8n 3.0

Nodes used (12)

• Webhookn8n-nodes-base.webhook
• Edit Fields (Set)n8n-nodes-base.set
• AI Agent@n8n/n8n-nodes-langchain.agent
• Structured Output Parser@n8n/n8n-nodes-langchain.outputParserStructured
• OpenAI Chat Model@n8n/n8n-nodes-langchain.lmChatOpenAi
• Split Outn8n-nodes-base.splitOut
• OpenAIn8n-nodes-base.openAi
• HTTP Requestn8n-nodes-base.httpRequest
• Mergen8n-nodes-base.merge
• Slackn8n-nodes-base.slack
• Coden8n-nodes-base.code
• Error Triggern8n-nodes-base.errorTrigger

From the author

📘 Description This workflow turns raw product inputs into a complete, launch-ready AI-generated social media campaign package. It accepts product details via webhook, sanitizes messy fields, generates a strategic campaign blueprint, produces Instagram…

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