Backend Skill – API Routes & Data Handling

Instructions

1. Route Generation

   • Define clear and consistent API routes
   • Follow RESTful conventions
   • Organize routes by domain or feature

2. Request & Response Handling

   • Validate incoming requests
   • Structure consistent response formats
   • Handle errors and edge cases safely

3. Database Connection

   • Connect to databases using reliable drivers or ORMs
   • Manage transactions properly
   • Handle connection lifecycle and pooling

4. Business Logic

   • Separate business logic from routing
   • Keep handlers small and readable
   • Reuse shared services and utilities

Best Practices

• Use clear naming conventions
• Validate all inputs and outputs
• Keep routes thin and logic modular
• Handle errors consistently
• Follow backend framework best practices

Example Structure

app.post("/users", async (req, res) => {
  const user = await db.user.create(req.body);
  res.status(201).json(user);
});