What is Resend used for?

Resend is a developer-focused email API that pairs a simple sending service with React Email for building templates in code. It is a good fit for sending sign-up and notification emails from an app, and building email templates with React.

Yes. Resend has a free plan, and paid plans start at $20 per month.

Is Resend open source?

No. Resend is proprietary (closed-source) software and can't be self-hosted. Open-source alternatives to Resend include Postal, Plunk and Notifuse.

What are some alternatives to Resend?

Resend competes with Postmark, Amazon SES and MailerSend. For open-source options, see Enlisted's ranked list of open-source Resend alternatives.

Resend: features, pricing and alternatives

About Resend

Resend is a commercial email sending service designed for developers. Applications call its API or use its SDKs to send transactional email, with a focus on a clean developer experience compared with older providers.

It is closely associated with React Email, an open-source library for writing email templates as React components, which lets front-end teams build and maintain messages with familiar tooling. Domain verification, delivery tracking and webhooks help teams monitor sending. Resend is a hosted service and is popular with startups and product teams building modern web applications.

Key features

Email API for transactional sending
SDKs for common programming languages
React Email templates written in code
Domain verification for sender identity
Delivery tracking and webhooks

Good fit for

→Sending sign-up and notification emails from an app
→Building email templates with React

Tags: email-api; transactional-email; react-email; developer-tools; smtp; templates; startups

Resend: questions and answers

What is Resend used for?: Resend is a developer-focused email API that pairs a simple sending service with React Email for building templates in code. It is a good fit for sending sign-up and notification emails from an app, and building email templates with React.
Is Resend free?: Yes. Resend has a free plan, and paid plans start at $20 per month.
Is Resend open source?: No. Resend is proprietary (closed-source) software and can't be self-hosted. Open-source alternatives to Resend include Postal, Plunk and Notifuse.
What are some alternatives to Resend?: Resend competes with Postmark, Amazon SES and MailerSend. For open-source options, see Enlisted's ranked list of open-source Resend alternatives.