✦ En vivo

Sistema de automatización de newsletter

Formulario → Audience Resend → email de bienvenida en 8 idiomas, totalmente automatizado. Construido en menos de 30 minutos con Claude Code, funcionando en ai2ax.com.

30 min de construcción

Stack:Next.jsResendVercel DNS

What you get

POST /api/newsletter endpoint with email validation

Resend Audience contact management

8-locale welcome email with your branding

Error handling & duplicate subscriber logic

Newsletter form UI component (already on this page)

Google Workspace MX + SPF DNS records

Resend domain DKIM verification via Vercel

Build it yourself

Install Claude Code → paste the prompt → ship. That's it.

Install Claude Code & run

# 1. Install Claude Code
npm install -g @anthropic-ai/claude-code

# 2. Clone & open project
git clone https://github.com/your-org/your-nextjs-app
cd your-nextjs-app
claude

Prompt Claude to build the API

# Paste this prompt into Claude Code:

"Add a newsletter subscription API using Resend.
POST /api/newsletter — accepts {email, locale}.
Add contact to Resend audience, send locale-aware
welcome email from newsletter@yourdomain.com.
Support 8 locales: en ja ko zh fr es id th."

Add environment variables

# .env.local
RESEND_API_KEY=re_your_api_key
RESEND_AUDIENCE_ID=your-audience-id

# Deploy to Vercel
vercel env add RESEND_API_KEY production
vercel env add RESEND_AUDIENCE_ID production
vercel --prod

This exact system powers the newsletter on this page. The full source is available on GitHub.

View source on GitHub

Live Demo — Try it now

Newsletter semanal

Lidera la revolución IA

Insights de IA accionables, tendencias globales y noticias de la comunidad — cada semana.

2,400+ suscriptores en 8 mercados

Sin spam. Cancela cuando quieras.