Startup profile for Resend: latest funding, latest known valuation, total disclosed funding, investors, status, sources, and why the company is interesting. Part of the Venture Capital Tracker startup directory.
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Resend funding, valuation and investors

Email API for developers with modern DX and React Email integration.

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Funding, valuation & investors

Answer-first snapshot

Latest funding

Series A

$18M · December 2024

Latest known valuation

Not publicly disclosed

Total disclosed equity funding

$21M

Excludes debt, grants, acquisitions, secondaries, and IPO proceeds.

Current status

private

series a · San Francisco, California, USA

Investors in latest funding

Lead: Andreessen Horowitz

Sources: latest funding Last verified: 2026-07-25

Overview

Resend provides APIs and SDKs for transactional and marketing email with emphasis on developer experience, deliverability, and React Email templates. Founded by Zeno Rocha (ex-Liferay DX leader) and team, YC-backed. a16z led $18M Series A (Dec 2024) after $3M seed (Jul 2023) with YC and SV Angel.

Why Resend is interesting

a16z-led $18M Series A (Dec 2024) after $3M seed — developer-first transactional email challenger to SendGrid/Mailgun.

Product & use cases

Resend API sends transactional emails with domain verification, webhooks, and React Email component library for template authoring.

  • Transactional email for SaaS apps (signup, receipts)
  • Developer-friendly email migration from SendGrid
  • React-based email template development
  • Startup email infra with simple pricing

Key facts

  • Series A (Dec 2024): $18M led by a16z
  • Seed (Jul 2023): $3M led by a16z
  • Founder Zeno Rocha built React Email OSS
  • YC-backed

Funding history (newest first)

Series A

2024-12 $18M

Source: https://resend.com/blog/series-a

Seed

2023-07 $3M

Source: https://techcrunch.com/2023/07/24/resend-seed/

Investors in our directory

Funds linked from Resend's profile — open a fund page for stage focus and related deal articles.

Andreessen Horowitz

Competitive landscape

Edge: Modern API design and React Email OSS ecosystem attract frontend-heavy teams.

Email API market mature but DX-disrupted — Resend grows via word-of-mouth among YC startups similar to early Stripe playbook.

  • SendGrid (Twilio) incumbent

    Market leader; complex pricing and aging DX.

  • Postmark direct

    Deliverability-focused transactional email.

  • Amazon SES incumbent

    Cheap raw SMTP; more DIY.

Notable stories

  • Zeno Rocha's React Email project became wedge for Resend — developers wanted API provider matching component workflow.

Industries

Developer Tools Enterprise SaaS Infrastructure & Cloud

FAQs about Resend

Practical answers founders, operators, and investors typically search for.

Developer email API for transactional messages with React Email template support.
Zeno Rocha co-founded Resend.
Andreessen Horowitz (/fund/andreessen-horowitz) led seed and Series A ($3M + $18M).
Resend targets modern DX and simpler onboarding; SendGrid has scale and enterprise features.
Open-source library to build emails with React components — associated with Resend ecosystem.
December 2024 — $18M.
Primarily transactional; marketing features expanding — see resend.com.
$21M total documented ($3M seed + $18M Series A).
Resend offers free sending tier with limits — check resend.com/pricing.
San Francisco, California.
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By Venture Capital Tracker

Last updated:

Editorial note: AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.