Developer tools

Resend

Website
Founded 2023Origin source ↗Checked 2026-09-15

Overview

Resend is the new email API for developers. It's designed for you to build, test, and send transactional emails at scale.

If you're using Sendgrid, AWS SES, or Postmark, come talk to us.

Company description As recorded 2026-11-08
LinkedIn GitHub Pricing About
Developer toolsAPI platformDevelopersDevelopersUsage & volume pricing

Pricing

Registered nonprofits can apply for 50% off paid plans at resend.com/nonprofits.

Source-reported As recorded 2026-10-23

Founders & team

Previously Klotty, Resend (fka Klotty)

Company history As recorded 2026-11-08

Zeno Rocha

Founder/CEO

Founder & CEO at Resend. Previously VP of Developer Experience at WorkOS and CPO at Liferay Cloud. I'm originally from Brazil and now living in San Francisco. I love dark mode, open source, and side projects.

LinkedIn X
Founder profile As recorded 2026-09-15

Bu Kinoshita

Founder

Co-founder & CTO at Resend and building react.email. 1st eng hire at WorkOS, which is now a Series B company valued at $500M. Built the first MVP and scaled it all the way to serve 200+ b2b sass customers. Also built more than 100 node packages and 2 products that were OSS, Taskr and Secret, which were featured in the #1 and #4 on Product Hunt

LinkedIn X
Founder profile As recorded 2026-09-15
45team members reported
Source-reported As recorded 2026-09-15

Founded 2023 · Source

News & product activity

Sources & observations

Andreessen Horowitz · Hacker News · Y Combinator

Profile depthenriched profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedRemote
Pricing evidenceA pricing page was detected
Maturity: Launched · 4 of 6 areas documented

Source-based assessment · automated evidence rules

The company website offers product access through a trial, free start, app download, purchase, or onboarding with existing-account login. Customer adoption is not established by this evidence.

Company website: home Checked 2026-10-23

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Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding yearpricing page observeddocumentation observedrecent publishing observeddated product or funding activity
startup.observe Directory coverage · Sources & method