# Resend and React Email for transactional email

> Resend pairs a REST API with React Email templates. Here is where it fits and how teams usually cover marketing email alongside it.

[Resend](https://resend.com) is a transactional email API for developers. Templates can be written as React components with [React Email](https://react.email), and sending is a single API call. Domain authentication is part of setup, but verify that the DNS records resolve before production traffic.

For receipts, password resets and notifications on a React or Next.js stack, that model is hard to beat. Resend's broadcast features are newer than its transactional API, so teams often pair it with a separate tool for marketing and lifecycle email.

Common pairings are [Loops](https://loops.so) for SaaS lifecycle email, or an AI-native tool such as [Brew](https://brew.new) when the bottleneck is producing on-brand campaigns. Running two tools adds cost and a second set of suppression lists, so weigh that against the clean separation.

**Canonical:** https://emailcanary.co/posts/resend-react-email-stack

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