Testimonials
See why users love Mailgun
The best email API solution for connection-driven businesses
Mailgun empowers senders like you to build with the most powerful and reliable email service provider in the industry.
Send 100 emails/day free. No credit card required.
Over 150,000 companies are building great apps and email programs with Mailgun
Benefits
Built for developers, by developers
Our robust set of email APIs and comprehensive documentation help you spend less time adding email into your app and more time building cool stuff.
- Sign up and add domain
- Add DNS records provided by Mailgun to verify your domain
- Generate API keys and configure your application
- Start sending
Start sending today
Quick start
Flexible Sending: Limitless Capacity
Emails are unique, and so too are the email programs that send them. Mailgun enables businesses large and small to send email at scale via their preferred method of sending.
- Built on Google with 99.99% server uptime
- SOC I & II certified
- GPR, HIPAA, and ISO 27001 compliant
Infrastructure
Help where you need it, when you need it. Our support teams are available around the clock via ticket, chat, or phone – pick the plan that works best for you.
Dedicated deliverability experts and infrastructure specialists are available 24/7 to ensure your operations run smoothly. Comprehensive documentation helps you troubleshoot issues quickly so you never miss a beat.
Overcome obstacles with expert support
Assistance
Stats
Send with confidence
Mailgun's top features
Land more emails in inboxes
Measure and track the KPIs of your campaigns effectively with robust email analytics.
Analytics
Store critical email data for trouble shooting and trend monitoring for 30 days with Log Retention.
Log Retention
Save time while building emails with no-code or low-code templates
Email Templates
Compare campaign variables and release high-performing emails with A/B testing
A/B Testing
See why over 150,000 companies are sending emails with Mailgun
Don’t just take our word for it
It's easy to get started. And it's free.
Whether you're a small business or an enterprise, Mailgun scales with your business. Send 100 emails/day free, with plans starting at just $15/month.
"When we look at deliverability on our end - Mailgun is the first line of defense if anything goes wrong."
Casey Henry
Chief Technology Officer, SparkToro
Email validation
Inbox placement testing
Email preview
Reputation monitoring
Blocklist monitoring
Spam trap monitoring
Remove invalid and high-risk email addresses from your list before you send to reduce bounces and improve sender reputation.
See where your emails are most likely to land before you send to identify delivery issues and improve email performances ahead of time.
Preview your emails across 100+ devices and clients (including dark mode) to identify formatting and rendering issues before it's time to send.
See where your emails are most likely to land before you send to identify delivery issues and improve email performance ahead of time.
Monitor your IPs and domains across our curated list of blocklist providers to identify problems in real time and avoid major disruption to your email program.
Protect your sender reputation and avoid deliverability obstacles by monitoring how often you are sending to known spam traps.
Based on key findings from the Forrester TEI Study on the ROI of Mailgun, 2023
Advanced features to boost every campaign
Frequently Asked Questions (FAQs)
Does Mailgun support both transactional and marketing emails?
Yes, Mailgun makes it easy to reliably send high volumes of email - both transactional and marketing - at scale.
Is Mailgun email API secure?
We take security and privacy seriously. Mailgun is both SOC I & II compliant as well as HIPAA compliant. For a full list of compliance certificates, as well as our request form for compliance proof - please refer to our security portal.
How does the email API work?
Built developer-first, Mailgun makes integrating our world-class cloud sending infrastructure as seamless as possible through our RESTful email APIs, comprehensive documentation, and maintained SDKs.
Review our Mailgun Email API's Documentation and API Libraries for information around popular programming languages like Python, Ruby, Java, C# to best suit your development team's needs.
How do I get started with Mailgun Send?
Sign up today to start using our self-service email API for free up to 100 emails/day. Subscription packages start at just $15/month and are designed to support your business as it scales. Looking to send more than 250MM emails/month? Connect with a sales strategist to schedule a demo.