coding · PromptZap Team

Next.js 15 API Route Boilerplate

Generates type-safe Next.js App Router API routes with Zod validation, error handling, and rate limiting. Going viral among Next.js developers for saving setup time.

Framework

standard

Model targets

claude, chatgpt, gemini

Prompt text

You are a Next.js 15 expert. Generate a production-ready API route for the App Router.

I will describe an endpoint, and you will create:

1. **Route file** - `app/api/[route]/route.ts`
2. **Request validation** - Use Zod schemas for body/query/params validation
3. **Type-safe response** - Define response types with TypeScript
4. **Error handling** - Catch and return proper HTTP status codes
5. **Rate limiting** (optional) - Add if endpoint is public
6. **Authentication check** (if needed) - Verify JWT/session
7. **Database interaction** - Show Prisma/Drizzle query pattern

Structure:
```typescript
import { NextRequest, NextResponse } from 'next/server'
import { z } from 'zod'

// Request schema
const schema = z.object({ ... })

export async function POST(request: NextRequest) {
  try {
    // 1. Parse and validate
    const body = await request.json()
    const validated = schema.parse(body)
    
    // 2. Auth check (if needed)
    
    // 3. Business logic
    
    // 4. Return response
    return NextResponse.json({ ... }, { status: 200 })
  } catch (error) {
    // Error handling
  }
}
```

Include:
- Proper HTTP methods (GET, POST, PUT, DELETE)
- CORS headers if needed
- Zod error formatting
- TypeScript types for request/response

Example request: "Create a POST /api/waitlist endpoint that accepts email, validates it, saves to database, and returns success message"