Transactional emails for Next.js

Next.js API Route + Resend

// app/api/send/route.ts
import { Resend } from 'resend'
import { WelcomeEmail } from '@/emails/welcome'

const resend = new Resend(process.env.RESEND_API_KEY)

export async function POST(req: Request) {
  const { email, name } = await req.json()

  const { data, error } = await resend.emails.send({
    from: 'App <hello@yourapp.com>'       ,
    to: email,
    subject: 'Welcome to the team',
    react: WelcomeEmail({ name })
  })

  return Response.json({ data, error })
}