Generate and Auto-Evaluate Facebook Ad Headlines using GPT-4o-mini

Description
This workflow automatically generates Facebook ad headlines for your product using OpenAI and evaluates their quality using custom AI-generated criteria. It ensures you get high‑quality, scroll‑stopping headlines without needing a copywriter.

Overview
This workflow captures a product description via a form, generates a Facebook ad headline, invents a scoring rubric, evaluates the headline against it, and optionally loops for revisions — all autonomously. Ideal for marketers and media buyers looking to scale creative testing.

Tools Used
n8n**: The automation platform that powers and orchestrates the entire workflow.
OpenAI**: Used for headline generation, scoring criteria creation, and evaluation logic.
(Optional)** Google Sheets / Notion / Email: For logging approved headlines or sharing results.

How to Install
Import the Workflow: Download the .json file and import it into your n8n instance.
Connect OpenAI: Add your OpenAI credentials to the GPT nodes.
Customize the Prompt (optional): Tweak the system prompt inside the Set_PromptForHeadline node.
Add Output Handling (optional): Connect the “NO” path in the If_NeedMoreIterations node to Google Sheets, Slack, etc.
(Optional) Add loop limits or storage logic to manage iterations or save results.

Use Cases
Media Buyers**: Generate and test hooks at scale with no creative bottlenecks.
Solo Marketers**: Get high-converting headlines even without a copywriter.
Agencies**: Streamline copy testing and evaluation in client campaigns.
Startup Teams**: Automate creative generation during product launches or A/B tests.

Connect with Me
Website**: https://www.nofluff.online
YouTube**: https://www.youtube.com/@YaronBeen/videos
LinkedIn**: https://www.linkedin.com/in/yaronbeen/

Hashtags
#n8n #openai #automation #copywriting #facebookads #headlines #aicopy #promptengineering
#marketingautomation #nocode #llm #creativeautomation #mediabuying #adtesting #adcreative
#marketingtools #digitalmarketing #copytesting #scalablecreative #chatgpt #adhooks
#growthmarketing #automatedworkflows #aiworkflow #creativeops #marketingops #growthtools