Unosend is an email API service for developers. It allows you to send transactional and marketing emails with 99.9% deliverability using a simple REST API.

How many free emails can I send?

Unosend offers 5,000 free emails per month on the free plan. No credit card required to get started.

Is Unosend better than Resend or SendGrid?

Unosend offers competitive pricing, higher free tier limits, and a simpler API compared to alternatives like Resend and SendGrid. With 99.9% deliverability and developer-friendly SDKs, many developers prefer Unosend.

What programming languages are supported?

Unosend provides official SDKs for Node.js, Python, PHP, Ruby, and Go. You can also use our REST API with any programming language.

How fast is email delivery?

Most emails are delivered within seconds. Unosend uses optimized infrastructure to ensure fast and reliable email delivery worldwide.

Start sending in 5 minutes

One API. Infinite Emails.

The email API built for developers. Simple integration, reliable delivery, and the best pricing in the industry.

send-email.ts

TypeScript

Typing...0/13 lines

API Verification

0%

Verifying API credentials...

Authenticating...

Email Sent

Delivered

Email sent to user@example.com

✓ Delivered in 47ms

99.9%

Uptime

50ms

Avg. Latency

10M+

Emails Sent

Everything you need to send emails

Built for developers who want a simple, reliable, and affordable email API.

Lightning Fast

Send emails in milliseconds with our globally distributed infrastructure.

High Deliverability

Industry-leading deliverability with automatic IP warming.

Developer First

Simple REST API with SDKs for all major languages.

Real-time Analytics

Track opens, clicks, bounces with detailed insights.

Custom Domains

Send from your domain with easy DNS verification.

Webhooks

Real-time notifications for all email events.

Works with your stack

Official SDKs and integrations for all major languages and frameworks.

Node.js

Python

Go

Ruby

PHP

Java

Next.js

React

Vue

Laravel

Rails

cURL

Start sending in minutes

Get up and running with just a few lines of code.

1

Create an account

Sign up for free and get your API key instantly.

2

Verify your domain

Add DNS records to verify domain ownership.

3

Send emails

Start sending emails with our simple API.

Simple, transparent pricing

Start free, scale as you grow. No hidden fees.

Free

$0/mo

Perfect for getting started

5,000 emails/month
1,500 contacts
1 domain
API access
Email tracking

Popular

Pro

$20/mo

For growing businesses

50,000 emails/month
10,000 contacts
10 domains
Advanced analytics
Webhooks
Priority support

Scale

$100/mo

For high-volume senders

200,000 emails/month
25,000 contacts
Unlimited domains
Unlimited team members
Dedicated IP (add-on)

Enterprise

For large scale operations with custom requirements

Unlimited emails Unlimited contacts Dedicated IP included SLA guarantee 24/7 phone support

Loved by developers

See what developers are saying about Unosend.

“Switched from SendGrid and cut our email costs by 70%. The API is incredibly simple to use.”

Sarah Chen

CTO, TechStartup

“Best developer experience I've seen in an email API. Docs are great, support is fast.”

Marcus Johnson

Lead Developer, DevAgency

“Finally, an email service that doesn't nickel and dime you. 100K free emails is incredible.”

Emily Rodriguez

Founder, SaaS.io

Frequently asked questions

Everything you need to know about Unosend.

Ready to start sending?

Join thousands of developers who trust Unosend for their email infrastructure.