Generate a production-ready REST API with JWT authentication, input validation, and error handling in any stack — using this one detailed AI prompt
📋 The Prompt
Act as a senior backend engineer. Build a complete REST API endpoint
for the following:
Tech stack: [e.g. Node.js + Express + PostgreSQL / Python + FastAPI / Go]
Feature: [e.g. User Registration and Login]
Requirements:
- Input validation with proper error messages
- Password hashing using bcrypt
- JWT authentication middleware
- Custom error classes with correct HTTP status codes
- Separate route handler, service layer, and repository layer
- TypeScript with strict types (if applicable)
For each endpoint provide:
- HTTP method and path
- Request body (with example JSON)
- Success response (with example JSON)
- All possible error responses
- Brief explanation of business logic
Also include:
- Folder structure recommendation
- How to test each endpoint using curl or Postman
- 3 security considerations I should keep in mind
🚀 How to Use This Prompt
Copy the prompt above and paste it into your preferred AI tool — Midjourney, DALL-E, ChatGPT, or Stable Diffusion. Replace all [bracketed placeholders] with your specific values for best results.
💡 Tips for Best Results
- Be as specific as possible when filling in the placeholders.
- Experiment with different values for varied, unique results.
- For Midjourney, add
--v 6 --ar 16:9at the end. - Run the same prompt multiple times — AI generates unique outputs each run.
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