Resend Has a Free API — Send Transactional Emails With React Components (No SMTP, No Templates)

Most email APIs feel like they were designed in 2010. You write HTML strings, fight with SMTP configs, and debug rendering issues across 50 email clients. Resend gives you a modern email API where you write emails as React components. Free tier: 3,000 emails/month, 100 emails/day. No credit card required. Why Resend Is Different Traditional email workflow: Write HTML string → Test in 50 clients → Debug rendering → Fight SMTP → Pray it doesn't land in spam Resend workflow: Write React component → Send via API → Done That's it. They handle deliverability, rendering, and infrastructure. Quick Start (3 Minutes) 1. Get Your API Key Sign up at resend.com . Free tier includes: 3,000 emails/month 100 emails/day 1 custom domain Full API access 2. Send Your First Email (curl) curl -X POST https://api.resend.com/emails \ -H "Authorization: Bearer re_YOUR_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "from": "you@yourdomain.com", "to": "user@example.com", "subject": "Welcome!", "html": "<