Resend Has a Free Email API — Send Transactional Emails Without the Pain

Resend is a modern email API for developers — send transactional emails that actually reach the inbox. What You Get for Free (Free Tier) 3,000 emails/month — enough for most startups 100 emails/day — no credit card required React Email — build emails with React components SMTP & API — send via REST API or standard SMTP Webhooks — delivery, bounce, open, click events Custom domains — send from your@yourdomain.com Multiple domains — one account, many domains Analytics — open rates, click rates, bounces Quick Start npm install resend import { Resend } from ' resend ' const resend = new Resend ( ' re_123456789 ' ) await resend . emails . send ({ from : ' hello@yourdomain.com ' , to : ' user@example.com ' , subject : ' Welcome! ' , html : ' <h1>Welcome to our app!</h1> ' }) Why Developers Switch from SendGrid/Mailgun Legacy email providers have terrible DX: Simple API — 5 lines of code vs SendGrid's 20+ React Email — build emails in JSX, not HTML tables Better deliverability — purpose-built