Platform

Everything you need. One platform.

Transactional, marketing, inbound, and automations — built for developers who care about deliverability, not just uptime.

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3,000 emails free / month No credit card required < 5 min to first send

99.4%

Average inbox placement

Official language SDKs

40+

Blocklists monitored

< 5 min

To your first send

APIs & SDKs

An API developers actually enjoy using

One endpoint. One key. Five lines to your first send. SDKs for Node.js, Python, Ruby, Go, PHP, Rust, Java, and Elixir.

send.ts

import { Sendbound } from 'sendbound';

const sb = new Sendbound(process.env.SB_KEY);

await sb.emails.send(({

from: 'billing@acme.com',

to: 'james@stripe.com',

subject: 'Payment confirmed ✓',

react: <InvoiceEmail amount={149} />,

});

SDKs for every stack

Official SDKs for Node, Python, Ruby, Go, PHP, Rust, Java, Elixir, and .NET.

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Framework integrations

First-class support for Next.js, Remix, Nuxt, Express, Hono, and Astro.

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Secure by default

API keys with granular scopes. Rotate, revoke, and audit access at any time.

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Deliverability

Inbox placement you can actually rely on

Automatic SPF, DKIM, and DMARC. Real-time monitoring across 40+ blocklists. IP warm-up scheduler. We handle deliverability so you don't have to.

Explore deliverability

Deliverability health

All passing

Inbox placement rate99.4%

Open rate (last 30d)42.1%

Bounce rate0.3%

Spam complaint rate0.008%

Auto authentication

SPF, DKIM, DMARC configured with one click. Keys rotate automatically.

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IP warm-up scheduler

Ramp new IPs safely with an automated day-by-day volume plan.

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Blocklist monitoring

40+ RBLs checked in real time with instant alerts and delisting guides.

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Analytics & Webhooks

Know exactly what happens to every email

Real-time webhooks for every delivery event. Analytics that go deeper than open rates — click maps, device breakdown, revenue attribution, and A/B testing built in.

POST/webhook · 23ms

{

"type": "email.delivered",

"created_at": "2026-08-28T10:48:32Z",

"data": {

"email_id": "em_a1b2c3d4",

"inbox_placement": "inbox"

}

200 OK · Delivered to endpoint

Email client breakdown

Gmail

48%

Apple Mail

29%

Outlook

14%

Superhuman

Other

Real-time webhooks

HMAC-signed payloads with automatic retry and a full request log.

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Deep analytics

Click maps, device breakdown, time-to-open, and A/B testing built in.

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Test mode

Simulate any event and replay webhooks without sending real emails.

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Email Builder

Write using a delightful editor

Drag-and-drop for your team. React components for your engineers. Both produce the same production-ready HTML.

Explore the editor

Header image

Heading — Welcome to Acmeselected

Body text

Button — Get started

Divider

Footer

Drag-and-drop builder

Design beautiful emails visually. No HTML knowledge required.

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Custom brand styles

Apply your colors, fonts, and spacing as global tokens across all templates.

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Preview everywhere

Test across 50+ clients including Gmail, Outlook, and Apple Mail.

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React Email

Develop emails using React

Write email templates as JSX components. Full TypeScript, live preview, and version control — treat your emails like real code.

Explore React Email

welcome-email.tsx

import { Html, Body, Heading, Button } from "@react-email/components"

interface Props { name: string }

export default function WelcomeEmail({ name }: Props) {

return (

<Html>

<Heading>Welcome, {name}</Heading>

</Html>

Component-driven

Use React props, conditionals, and maps to build dynamic email templates.

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Live preview

See your email rendered in real-time as you write. No deploy needed.

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TypeScript first

Full type safety for all props, styles, and components. Works with your tsconfig.

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Integrations

Works with your entire stack

Native SDKs and integrations for every major framework, database, deployment platform, and payment provider. Drop Sendbound into your existing stack in minutes.

One npm install, zero configuration

Native Next.js, Remix, and Astro adapters

Works wherever Node.js runs — Vercel, Railway, Fly.io, AWS

Browse all integrations