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Last updated: July 18, 2026
From Zero to AI Automation: Build a Custom Content Generator in 30 Minutes
1. What You’ll Need Before You Start
- An OpenAI API key (or equivalent LLM provider) – create your account and generate a key in under 2 minutes.
- A no-code automation tool like Make (Integromat), Zapier, or n8n – free tier works for this tutorial.
- A clear content use-case: blog intros, social posts, product descriptions, or email subject lines.
2. Setting Up Your AI Model Connection
- Authenticate your API key inside your automation tool using the built-in HTTP or OpenAI module.
- Configure the model parameters: choose GPT-4o-mini (fast + cheap) or GPT-4o for higher quality.
- Set temperature to 0.7 and max tokens to 300 – a safe starting point for most content tasks.
3. Designing Your Prompt Template for Reliable Outputs
- Use a structured prompt pattern: role + task + format + example – e.g., “You are a copywriter. Write a 2-sentence product description for [product]. Output plain text only.”
- Include dynamic variables (e.g., {{topic}}, {{t
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