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.

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Join over 150,000 businesses, including 8 of the 10 largest tech companies in the world

Protect your data and customers

Privacy is paramount to customers of your business, which is why we strive towards leading the way for compliance and security in email:

• SOC types I & II certified

• GDPR compliant

• HIPAA compliant

• ISO 27001 certified

• PCI-compliant SAQ-A merchant

Looking for additional compliance standards or looking for our DPA? Our security portal has a comprehensive list of all our data practices, protections, and compliance standards across the Sinch Email portfolio.

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Quick start

Start sending today

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

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Infrastructure

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

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Assistance

Overcome obstacles with expert support

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.

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Stats

Send with confidence

Based on key findings from the Forrester TEI Study on the ROI of Mailgun, 2023

+20.6%

increase in email deliverability

+264%

ROI (over 3years)

-50%

Decrease in cost to send an email

Mailgun’s top features

Land more emails in inboxes

Analytics

Measure and track the KPIs of your campaigns effectively with robust email analytics.

Log Retention

Store critical email data for trouble shooting and trend monitoring for 30 days with Log Retention.

A/B Testing

Compare campaign variables and release high-performing emails with A/B testing

Email Templates

Save time while building emails with no-code or low-code templates

Don’t just take our word for it

See why over 150,000 companies are sending emails with Mailgun

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Expert services

Advanced features to boost every campaign

Email validation

Remove invalid and high-risk email addresses from your list before you send to reduce bounces and improve sender reputation.

Inbox placement testing

See where your emails are most likely to land before you send to identify delivery issues and improve email performances ahead of time.

Email preview

Preview your emails across 100+ devices and clients (including dark mode) to identify formatting and rendering issues before it’s time to send.

Reputation monitoring

See where your emails are most likely to land before you send to identify delivery issues and improve email performance ahead of time.

Blocklist monitoring

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.

Spam trap monitoring

Protect your sender reputation and avoid deliverability obstacles by monitoring how often you are sending to known spam traps.

See why users love Mailgun

Frequently Asked Questions (FAQs)

Yes, Mailgun makes it easy to reliably send high volumes of email – both transactional and marketing – at scale.

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.

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.  

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.