AI-powered email builder + API in one platform

The email platform
that designs for you

Describe your email and AI builds it. Edit with drag & drop. Send from your own domain. Beautiful campaigns in minutes, not hours.

1,000 emails/month free forever • AI builder included • No card required

Two ways to send email

Whether you want AI to design your campaigns or a clean API for transactional emails - we've got you.

For Marketers

AI builds your emails for you

Describe what you want, and AI generates a complete template. Tweak it with drag & drop, then send. Perfect for newsletters, promotions, and campaigns.

AI Template Generator
Describe your email and AI creates a beautiful, Outlook-compatible template instantly.
Drag & Drop Builder
Visual editor with 8 block types: text, images, buttons, columns, and more.
Marketing Automation
Welcome series, abandoned carts, re-engagement flows - ready to go.
Visual Analytics
See opens, clicks, and revenue in beautiful dashboards.
For Developers

API-first email infrastructure

Send transactional emails with a simple API. Track delivery, handle bounces, and debug issues. Like Resend, but with marketing tools built-in.

Simple REST API
Send transactional emails with a single API call. Like Resend, but more.
Real-time Webhooks
Get notified on delivery, opens, clicks, bounces, and complaints.
Node.js SDK
Official SDK for Node.js, Deno, and Bun. Or use raw HTTP from any language.
Logs & Debugging
Full delivery logs, bounce diagnostics, and spam score analysis.
Send your first email in seconds
curl -X POST https://api.send16.com/v1/emails \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "to": "user@example.com",
    "subject": "Welcome!",
    "html": "<h1>Hello World</h1>"
  }'

Everything you need to succeed

AI-powered design, visual editing, and premium infrastructure to create and send campaigns that convert.

AI Email Designer

Describe what you want and Claude or GPT-4 generates a complete, production-ready template.

Visual Drag & Drop Builder

Outlook-compatible editor with 8 block types: text, images, buttons, columns, and more.

Send As Yourself

Custom domain authentication with SPF, DKIM, and DMARC. Your brand, your domain.

Smart Deliverability

Provider-aware sending with IP warming, reputation monitoring, and bounce management.

Developer API + SDK

Send transactional emails in 3 lines of code. Node.js SDK, webhooks, and full REST API.

Shopify & WooCommerce

Sync customers automatically. Trigger emails from purchases, carts, and more.

Marketing Automation

Welcome series, abandoned carts, re-engagement flows with visual workflow builder.

Real-time Analytics

Track opens, clicks, and conversions with live dashboards and delivery logs.

AI-Powered
Template Builder
SPF/DKIM
Authentication
Free
Forever Plan
API
Full Access

Built for compliance and security

GDPR Compliant
CAN-SPAM Compliant
256-bit SSL
DMARC Protected

Integrates with your favorite tools

Webhooks
Zapier
REST API
n8n

Simple, transparent pricing

No hidden fees. No surprise charges. Start free and scale as you grow.

Free

$0forever

Perfect for getting started

  • 1,000 emails/month
  • 500 contacts
  • 1 verified domain
  • AI template designer
  • Drag & drop builder
  • Email support

Starter

$19/month

For growing businesses

  • 10,000 emails/month
  • 2,500 contacts
  • 1 verified domain
  • All Free features
  • A/B testing
  • Automation workflows
  • Priority support
Most Popular

Growth

$49/month

For scaling teams

  • 50,000 emails/month
  • 10,000 contacts
  • 2 verified domains
  • All Starter features
  • Advanced segmentation
  • API access + SDK
  • Webhook integrations

Pro

$99/month

For power users

  • 150,000 emails/month
  • 50,000 contacts
  • 3 verified domains
  • All Growth features
  • Optional dedicated IP
  • Shopify & WooCommerce
  • Phone support

Loved by marketers worldwide

Join thousands of businesses that trust Send16 for their email marketing.

"We switched from Mailchimp and cut our email costs by 60% while improving deliverability. The dedicated IP warming is a game-changer."

Rye S.
Founder, Spruik Co

"Simple to set up, powerful where it counts. Custom domain authentication took minutes and our emails land in inboxes, not spam."

Early Adopter
Beta User, Send16 Beta Program

"Finally an email platform built for developers and marketers alike. The API is clean, the builder is intuitive, and the price is right."

Early Adopter
Beta User, Send16 Beta Program

Frequently asked questions

Everything you need to know about Send16

How does the free trial work?
Start with our free plan - no credit card required. You get 1,000 emails per month and 500 contacts forever. When you're ready to scale, upgrade to a paid plan with a 14-day free trial.
What's your email deliverability rate?
We maintain strong deliverability through proper SPF, DKIM, and DMARC authentication, managed sending infrastructure with optional dedicated IPs on Pro plans, and proactive reputation monitoring.
Can I import my existing contacts?
Yes! You can easily import contacts via CSV upload. We also support integrations with popular CRMs and tools through our API and webhook system.
Do you comply with GDPR and CAN-SPAM?
Absolutely. Send16 is built with compliance in mind. We provide double opt-in, one-click unsubscribe, and all the tools you need to stay compliant with GDPR, CAN-SPAM, and other regulations.
Can I use my own domain for sending?
Yes, and we recommend it! You can verify your own domain with SPF and DKIM records. Pro plans also support custom DKIM signing and dedicated IPs for maximum deliverability.
What kind of support do you offer?
All plans include email support. Paid plans get priority support with faster response times. Pro plans include phone support for urgent issues.

Still have questions?

Contact our support team →

Ready to grow your business?

Join thousands of marketers using Send16 to connect with their audience. Start your free trial today.