Effortless email sending

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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Over 150,000 companies are building great apps and email programs with Mailgun.

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Flexible Sending: Limitless Capacity

Mailgun’s APIs make integrating email into your existing applications incredibly easy with our RESTful API, SMTP relays, and comprehensive documentation.

  • RESTful APIs integrate email into your application seamlessly

  • Built on Google with 99.99% Server Uptime

  • SOC I & II certified

  • GDPR, HIPAA, and ISO 27001 compliant

Looking for a place to get started? Mailgun Email API’s Documentation and API Libraries cover popular programming languages like Python, Ruby, Java, C# to best suit your development team’s needs.

Email data with depth

Understand every detail of what happened with your email with Mailgun’s log retention and email analytics. From the moment you press send, our platform can track:

  • Email events like addition to the message queue, MBP acceptance, and delivery

  • Error codes with exact time stamps and explanations

  • Engagement metrics like opens, clicks, unsubscribes, and more

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97.4% average delivery rate

From deliverability services customers, beating the industry average of 85%.

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24.6m average monthly volume

From our deliverability services customers alone.

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0.42% average bounce rate

For deliverability services customers, well under the industry average bounce rate of 2%.

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"For us, at the volume we're sending – every fraction of a percentage means a potential customer, and as a community of designers, it's our job to create meaningful touchpoints. High deliverability ensures that our messages and our reach are seen; any improvement in our email program has a huge effect on our business."

Michael Sacca
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Michael Sacca

Vice President of Product at Dribbble

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Parse out the noise

Spend less time parsing through your incoming email streams with Mailgun’s Inbound Routes. Routes allow senders to clean up cluttered email threads by fully parsing your inbound messages and converting them to UTF-8 for easy reading.

Enable your brand’s legitimacy

With Mailgun, companies are empowered to send their emails straight to the inbox through various email authentication protocols. Protect your sender reputation by sending with SPF, DKIM, and DMARC protocols and keep bad actors from impersonating your brand.

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See what you can accomplish with the world's best email delivery platform

It's easy to get started. And it's free.
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