AI2AX
Claudeで作るソリューション
✦ 稼働中

ニュースレター自動化システム

購読フォーム → Resend Audience → 8言語ウェルカムメール自動送信。Claude Codeで30分以内に構築し、ai2ax.comで本番稼働中。

30分で構築
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.

1
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
2
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."
3
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

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