Email for 
builders

The dependable way to land in inboxes, not spam folders. Send transactional and marketing email at any scale.

Integrate in an afternoon

Use the official SDK for your language (Node.js, Python, PHP, Ruby or Go) or plain REST. Set one environment variable and you're sending through Postwave.

send.ts
1// .env
2RESEND_BASE_URL=https://postwaves.online
3
4import { Resend } from 'resend';
5
6const resend = new Resend('pw_xxxxxxxxx');
7
8const { data, error } = await resend.emails.send({
9 from: 'Acme <hello@acme.com>',
10 to: ['delivered@postwave.test'],
11 subject: 'Hello World',
12 html: '<strong>It works!</strong>',
13});

Built for
developers

Built by engineers for engineers: an email platform with no surprises that does exactly what the docs say.

Delivered
HTTP 200: { "id": "40bd78bc-532d-4c83-a020-8be31beda6a5" }
HTTP 200: { "id": "da3f2793-219c-4314-ab76-df29eec7af16" }
HTTP 200: { "id": "04b9d227-ca0a-4993-ab0a-dc1c04645b81" }
HTTP 200: { "id": "797feaea-a59b-4990-bc6b-4ac76afba511" }
⚗

Test mode

Simulate events and experiment with the API without any risk of emailing real people.

Learn more →
Delivered16:14:13
to ava@example.com with subject Welcome aboard
Opened16:14:06
to noah@example.org on Apple Mail · iOS
Clicked16:13:59
to mia@example.net link /pricing
Bounced16:13:52
to liam@example.com type Permanent
🔔

Real-time webhooks

Get a signed notification on your server the moment an email is delivered, opened, clicked, bounced or marked as spam.

Learn more →

Write and send campaigns

Write newsletters and announcements in HTML, personalise them with merge tags, send yourself a test, then send or schedule.

Broadcasts / November product update draft
TestSend
From news@acme.com
To Newsletter subscribers
Subject What's new in November

Hi {{{FIRST_NAME|there}}},

This month we shipped faster dashboards, scheduled broadcasts and a brand new API for contacts…

Read the changelog
👥

Contact management

Import your list in minutes by pasting a CSV or calling the API, and see each contact's status at a glance.

📈

Broadcast analytics

Delivered, opened, clicked and bounced counts for every campaign, updated in real time.

Reach inboxes,
not spam folders

🔐

Verify DNS records

DKIM and SPF are generated for every domain, with copy buttons and one-click verification.

🛡

Prevent spoofing with DMARC

A ready-made DMARC record so inbox providers know what to do with unauthenticated mail.

⛔

Dynamic suppression list

Hard bounces and spam complaints are blocked automatically so you never hit them twice.

🧱

Reputation isolation

Every account sends in its own isolated tenant. One bad sender can't drag down anyone else.

↩

Automatic bounce handling

Bounces, complaints and delays flow back in real time and update each email's status.

✋

One-click unsubscribe

Broadcasts include RFC 8058 unsubscribe headers that Gmail and Yahoo require.

🏷

Your brand on DNS

Records point at our neutral sending domain, with no third-party names for your users to see.

⚗

Safe test mode

Simulate delivered, bounced and complained results without touching real inboxes.

🔁

Signed, retried webhooks

Svix-compatible signatures and automatic retries for up to 16 hours.

Everything under your control

Logs, analytics, domains and campaigns in one place, so troubleshooting takes seconds.

Delivery, bounce, complaint and open rates at a glance.

Analytics screen

Simple, honest pricing

Start free. Move the slider to see what you'd pay as you grow.

How many emails do you send a month? 3,000
Free
$0 / mo
3,000 emails / mo
  • 50 emails a day
  • 3 domains
  • 1 webhook endpoint
  • Ticket support
  • 30-day log retention
Pro
$15 / mo
50,000 emails / mo
Extra emails: $0.90 / 1,000
  • All Free features
  • 20 domains
  • No daily email limit
  • 5 webhook endpoints
  • Extra emails $0.90 / 1,000
Scale
$80 / mo
100,000 emails / mo
Extra emails: $0.90 / 1,000
  • All Pro features
  • 1,000 domains
  • 10 webhook endpoints
  • Dedicated IP add-on
  • Priority support + SLA
Custom
Enterprise
Performance at any scale
  • All Scale features
  • Custom volume & pricing
  • Dedicated account manager
  • 99.99% uptime SLA
  • Migration support
Compare plansFree
$0/mo
Pro
$15/mo
Scale
$80/mo
Enterprise
Custom
Emails / month3,00050,000100,000Custom
Daily limit50No limitNo limitNo limit
Extra emailsNot available$0.90 / 1,000$0.90 / 1,000Custom
Custom domains3201,000Unlimited
Webhook endpoints1510Flexible
Log retention30 days30 days30 days90 days
Dedicated IP——Add-on $30/moIncluded
Broadcasts & audiences✓✓✓✓
REST API & SDKs✓✓✓✓
SupportTicket supportTicket supportPriority support + SLADedicated manager, 99.99% SLA

Email, done right.
Available today.

Get started