Resend

Email for developers

4.9•248 reviews•

6.2K followers

Email for developers

4.9•248 reviews•

6.2K followers

•

Engineering & Development

•

Email marketing

Build, test, and send transactional emails at scale. Resend provides the best developer experience helping you reach users instead of spam folders.

Resend Reviews

The community submitted 248 reviews to tell us what they like about Resend, what Resend can do better, and more.

4.9

Based on 248 reviews

Review Resend?

Reviewers mostly see Resend as a clean, developer-first way to handle transactional email, with repeated praise for fast setup, readable logs, SMTP compatibility, React Email templates, and an API that feels simpler than older tools like SES, SendGrid, and Mailgun. Makers of Basedash: AI data analyst, VC Boom, and Rectify say they use it for onboarding, notifications, and support emails because it ships quickly and works reliably. The main caveats are thinner deliverability guidance, limited analytics, some DNS setup friction, and a few reports of throttling or delayed sends.

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What's great

Resend has been excellent for getting transactional email working quickly. The setup was straightforward, the docs are clear, and the API is easy to work with. It feels built for modern product teams that want email delivery to be reliable without spending days fighting configuration.

We use it for important product emails, and so far it has been fast, clean, and dependable. The dashboard is easy to understand, and it gives enough visibility without feeling bloated.

Overall, Resend has made transactional email feel much simpler than other tools I’ve used. Highly recommend for startups and SaaS teams that need a clean email platform that just works.

What needs improvement

Resend has been great overall. The main area I’d like to see improve is more built-in guidance around deliverability as you scale, especially for teams that are new to transactional email. Things like clearer recommendations, health checks, or proactive warnings around DNS, domain reputation, and email content would be helpful.

A little more visibility into why specific emails are delayed, bounced, or filtered would also be useful, especially when debugging edge cases. But overall, the product is already very strong and easy to recommend.

vs Alternatives

AWS SES Manager

They are all capable, but Resend felt like the best fit for us because it was the easiest to integrate, had the cleanest developer experience, and didn’t feel weighed down by legacy UI or unnecessary complexity.

For our use case, we wanted transactional email that was reliable, simple to configure, and easy to maintain as we build. Resend gave us that without making email feel like a separate project. The docs, API design, and dashboard all felt modern and straightforward, which made the decision pretty easy.

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260 views3mo ago

What's great

easy setup (25)developer-friendly API (26)simple UI (12)fast integration (16)

I've been using Resend to power transactional emails in my SaaS and it's been refreshingly simple. Verification emails, password resets, welcome messages, match notifications — all going out reliably without me babysitting the deliverability.

What won me over: SMTP compatibility meant zero lock-in. I use nodemailer and just pointed it at Resend's SMTP server. No SDK migration, no rewriting templates — it just worked.

The dashboard is clean, logs are useful, and I've never had to debug a "why didn't this email send" situation. For a solo developer running a multi-language app with emails in 7 locales, that reliability is everything.

If you're building anything that sends email — skip the pain of configuring your own mail server and just use Resend.

What needs improvement

transparent pricing (2)

The analytics dashboard could go deeper. Right now I can see if an email was delivered or bounced, but I can't easily filter by email type (verification vs. password reset vs. notification) or see trends over time without exporting data. For a transactional email tool, per-template metrics would be genuinely useful.

The free tier's daily limit of 100 emails can also catch you off guard during testing — a quick seed script or load test can burn through it fast. A slightly more generous dev limit would make onboarding smoother.

Minor complaint, but the SMTP rate limits are lower than the API limits. If you're using the SMTP path, it's easy to hit throttling before you realize you should be using the API instead. Clearer documentation on when to prefer one over the other would help.

vs Alternatives

I looked at SendGrid and Mailgun before settling on Resend.

SendGrid felt like it was built for enterprise teams — the dashboard is cluttered, the free tier is restrictive, and setup took

longer than it should. Mailgun was better but the pricing jumped fast once volume picked up.

Resend was the only one where I went from zero to sending emails in under 10 minutes. The API is clean, the docs are written by someone who actually uses the product, and SMTP support meant I could keep my existing nodemailer setup without touching a single template.

For a bootstrapped SaaS where my time is the scarcest resource, that simplicity was the deciding factor.

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284 views4mo ago

What's great

free tier (7)excellent documentation (2)easy setup (25)real-time analytics (2)seamless integration (5)developer-friendly API (26)simple UI (12)fast integration (16)React Email integration (9)detailed logging (2)

Resend is one of the cleanest tools I’ve used for transactional email in modern web apps. The biggest win is how quickly you can go from setup to sending real emails without fighting old-school email infrastructure. The API is simple, the dashboard is easy to understand, and it fits naturally into a Next.js / full-stack SaaS workflow.

For product use cases like notifications, quota requests, auth emails, onboarding, or internal alerts, Resend removes a lot of friction. It feels built for developers who want email to just work without turning it into a separate project.

What needs improvement

free tier (2)lack of unsubscribe API endpoint (2)

The main improvement I’d like is more guidance around production email setup.

Things like domain reputation, deliverability best practices, unsubscribe flows, bounce handling, and monitoring are still areas where teams need to be careful. Resend is simple to start with, but email at scale still needs strong operational habits.

vs Alternatives

I choose Resend when I want a faster, cleaner developer experience.

Tools like SendGrid, Mailgun, and SES are powerful, but Resend feels much simpler for modern product workflows. The API, docs, dashboard, and React Email ecosystem make it easier to integrate without spending too much time on email plumbing.

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139 views2mo ago

What's great

Works great as a addiction for DataBases . Switched over from SES a while back and the difference in day-to-day friction is night and day - SMTP compatibility meant I didn't have to rewrite a single template, just pointed nodemailer at Resend's server and moved on. React Email being a first-party part of the ecosystem rather than a bolted-on afterthought is what actually makes writing emails feel like writing UI instead of fighting with inline CSS tables.

What needs improvement

With Automations now in the mix, I'd love more granular control over

retry/backoff behavior for event-driven flows specifically - right now

it's a bit of a black box whether a delayed trigger is my logic or a

platform-side queue delay. Also echoing what's already been said in

other reviews: per-template analytics (not just delivered/bounced

overall) would make debugging deliverability issues at scale much faster.

vs Alternatives

Came from SendGrid originally. The dashboard there always felt built

for a marketing team, not a developer debugging a failed webhook at

11pm. Resend's logs and API errors are just... readable, which sounds

like a low bar but is genuinely rare in this space.

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63 views2mo ago

What's great

easy setup (25)developer-friendly API (26)

Transactional email went from a week of dread to an afternoon, and the logs actually tell you what happened to one specific message instead of showing you an aggregate delivery rate. React Email meant our password reset and receipt templates live in the repo next to the code that sends them, which is the part I didn't know I wanted until I stopped maintaining HTML in a dashboard.

What needs improvement

Deliverability guidance basically stops at "warm up your domain". When a send starts landing in spam I get clean logs saying it was delivered and nothing that helps me work out why it wasn't seen, so I end up in third party inbox placement tools. Domain and DNS setup is also still a morning of work if your registrar has an unusual DNS panel, and that's the first hour a new user spends with the product.

vs Alternatives

I've run SES before and the sending is cheaper, but you're building your own logs, your own retry logic and your own templating before you send anything. Resend is the one I don't think about, which for auth and receipt email is the entire requirement.

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38 views2mo ago

What's great

free tier (7)easy setup (25)high deliverability rates (9)

Switched to Resend for Signum's transactional emails after getting burned by another provider's deliverability. Setup took maybe 30 minutes including DNS verification. Using it for watchlist alerts — when a domain a user is tracking changes risk score they get an email. Works reliably, the logs actually show you what happened to each email which sounds basic but wasn't always the case with what I used before.

What needs improvement

Would love more examples for Python/FastAPI specifically, most of the docs lean toward JS. Had to figure out a few things by trial and error.

vs Alternatives

Transactional emails for Signum — watchlist alerts, welcome emails, weekly digest. Needed something with clean API and reliable deliverability.

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322 views6mo ago

What's great

developer-friendly API (26)fast integration (16)

I liked its clean interface, clear documentation, and fast API integration. It is especially useful that you can quickly set up a domain, check email deliverability, and track sending logs.

What needs improvement

It would be useful to have more advanced analytics and reporting features, especially for tracking email performance over time.

vs Alternatives

Compared to other email platforms, Resend feels more modern and easier to set up, especially for transactional emails.

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64 views4mo ago

What's great

easy setup (25)reliable delivery (18)developer-friendly API (26)simple UI (12)fast integration (16)

What makes Resend genuinely exciting is that it's the first email platform built for how developers actually work today – not how they worked in 2010. Every major competitor, like SendGrid, Mailgun, and Postmark, was founded around 2009–2010 and has since been acquired, which means they've spent years optimising for enterprise sales rather than developer experience. Transactional email finally feels like a first-class part of the stack, not a painful side project.

What needs improvement

Curious—are you planning to expand the analytics side so developers can filter by email type (verification vs. password reset vs. notification) without exporting data?

vs Alternatives

Resend flipped that—you can write email templates as React components with Tailwind CSS, test them locally, and deploy confidently, which is how modern teams already build everything else.

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42 views3mo ago

What's great

easy setup (25)reliable delivery (18)developer-friendly API (26)simple UI (12)fast integration (16)

I’ve been using Resend in real projects and honestly it’s been a great experience. Setup is fast, the docs are super clear, and everything just works without friction. It feels built by people who actually understand developers and product teams. If you want reliable email delivery without the usual headaches, Resend is a no-brainer.

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322 views8mo ago

What's great

free tier (7)easy setup (25)developer-friendly API (26)React Email integration (9)

Its very easy to setup

What needs improvement

I love resend, but I wish there was a way to configure it such that people don't have to set up their own domain on resend for my web app to work. I am building a cold email marketing platform by the way and that means sending tons of emails from one domain.

vs Alternatives

Because I needed a reliable email integration for my cold email marketing platform and it worked seamlessly and gave me what I wanted

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342 views10mo ago