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Scalability you can trust

Send with Assurance

Build with the most reliable, compliant, and powerful email APIs in the industry with Mailgun Send; delivering world-class email APIs with unparalleled support.

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

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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. No matter SMTP Relay or RESTful API Mailgun can handle tens, thousands – millions of emails a second with ease.

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Let's get connected

We'd love to get an understanding of how email fits into your business and what challenges you're facing. Send us your details and we'll get in contact to determine your best Mailgun configuration.

Infrastructure you can trust

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

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Fast-tracking Success

Our Service Level Agreements (SLAs) are more than promises where you sign the dotted line. They are financial commitments to deliver the desired level of performance without fail to you – every day:

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Rapid Fire Delivery SLA

Guaranteed 99% attempted delivery of up to 15 million messages within the first five minutes of sending.

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Rapid Fire Throughput SLA

Up to 72 million message requests an hour (1.2 million requests a minute).

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Email Validation SLA

Customers utilizing the single verifications API method are guaranteed to receive a response from the service within 200ms of receiving the request for 95% of any given monthly volume.

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Support Response Time SLAs

Variable, guaranteed response time frames and communication methods.

Data with Depth

Understand every detail of what happened with your email with Mailgun API’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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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.

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"Mailgun makes it easy to build and manage a large-scale email marketing application with thousands of customers sending millions of emails."


Chris Hexton

CEO & Co-Founder, Vero

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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