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Mailgun

Transactional Email API service for developers to send, receive, track, and optimize emails with industry-leading deliverability.

Introduction

Mailgun is a powerful Transactional Email API service designed for developers. It offers a comprehensive suite of tools to send, receive, and track emails, ensuring high deliverability and scalability.

Key Features:

  • Email API & SMTP Relay: Seamlessly integrate email functionality into applications with reliable and compliant sending capabilities.
  • Email Validation: Clean email lists using real-time API or bulk uploads to improve deliverability and reduce bounce rates.
  • Email Optimization: Enhance email engagement and avoid spam filters with tools that drive performance and ROI.
  • Email Testing (Inspect): Preview and test emails before sending to identify and fix accessibility issues, ensuring compliance and better delivery.
  • Comprehensive Analytics: Track email performance with detailed analytics, gaining insights into open rates, click-through rates, and more.

Use Cases:

  • Transactional Emails: Send password resets, order confirmations, and shipping notifications reliably.
  • Marketing Campaigns: Manage and optimize email marketing campaigns for better engagement.
  • Email List Management: Validate and clean email lists to improve sender reputation and deliverability.
  • Application Integration: Integrate email functionality into web and mobile applications using Mailgun's robust API.

Latest News

Personally Identifiable Information (PII) Redaction for Webhook Payloads

Personally Identifiable Information (PII) Redaction for Webhook Payloads

8/5/2026

Personally Identifiable Information (PII) Redaction for Webhook Payloads # Personally Identifiable Information (PII) Redaction for Webhook Payloads Mailgun now supports opt-in redaction of personally identifiable information from webhook payloads. May 6, 2026 Personally Identifiable Information ...

Forwards API Available  - Transactional Email API Service For Developers | Mailgun

Forwards API Available  - Transactional Email API Service For Developers | Mailgun

8/5/2026

Forwards API Available - Transactional Email API Service For Developers | Mailgun # Forwards API Available The Forwards API gives you a dedicated, scalable way to handle inbound email forwarding by recipient address without the complexity of Routes. May 12, 2026 Mailgun now offers a dedicated Fo...

Authentication results now included in inbound route URL posts  - Transactional Email API Service For Developers | Mailgun

Authentication results now included in inbound route URL posts  - Transactional Email API Service For Developers | Mailgun

8/5/2026

Authentication results now included in inbound route URL posts - Transactional Email API Service For Developers | Mailgun # Authentication results now included in inbound route URL posts When an Inbound Route forwards a message to a URL, the payload now includes authentication results, which is th.....

Mailgun: DMARCbis is dead

Mailgun: DMARCbis is dead

8/5/2026

Mailgun: DMARCbis is dead Deliverability # Mailgun: DMARCbis is dead After years as a draft, DMARCbis is now just DMARC. The IETF published RFC 9989, 9990, and 9991 in May 2026, replacing RFC 7489. The fundamentals haven’t changed, but the spec has, and here’s what Mailgun senders need to check. ...

Gmail on iOS previews now available in Inspect  - Transactional Email API Service For Developers | Mailgun

Gmail on iOS previews now available in Inspect  - Transactional Email API Service For Developers | Mailgun

8/5/2026

Gmail on iOS previews now available in Inspect - Transactional Email API Service For Developers | Mailgun # Gmail on iOS previews now available in Inspect Mailgun Inspect now supports email previews for Gmail on iOS. May 7, 2026 Mailgun Inspect now includes Gmail on iOS to its preview library. Y...

Alternatives

  • SendGrid

    Offers a comprehensive email API for sending marketing and transactional emails with robust analytics and deliverability tools.

  • Postmark

    Focuses on fast, reliable transactional email delivery with excellent support and detailed analytics.

  • Amazon SES

    Provides a highly scalable and cost-effective email sending service for both transactional and marketing emails, integrated with AWS.

  • SparkPost

    Specializes in high-volume email sending with advanced analytics, predictive intelligence, and industry-leading deliverability.

  • Mandrill

    A transactional email API designed for developers, offering reliable delivery and detailed reporting, integrated with the Mailchimp ecosystem.

  • Resend

    A developer-friendly email API focused on simplicity, speed, and modern tooling for sending transactional emails.

  • Brevo

    Offers an all-in-one marketing and transactional email platform, including SMS, chat, and CRM functionalities.

  • Mailjet

    Provides an intuitive email API and marketing platform for sending, tracking, and optimizing transactional and marketing emails.

  • Elastic Email

    Offers a full-service email marketing and transactional email platform with a focus on affordability and high deliverability.

  • Netcore Cloud

    Focuses on AI-powered email delivery and marketing automation, offering a robust API for transactional emails with real-time analytics.

FAQ

User Reviews

5.0/5.0
(13reviews)
Click stars to rate

Pricing

Pricing Model: Freemium

Free

100 emails per day included

$0/mo
monthly

Basic

10,000 emails per month included

$15/mo
monthly

Foundation

50,000 emails per month included (first month free)

$35/mo
monthly

Scale

100,000 emails per month included (first month free)

$90/mo
monthly

Pilot (Optimize)

First month free, 2,500 email validations, 25 inbox placement tests

$49/mo
monthly

Starter (Optimize)

First month free, 5,000 email validations, 50 inbox placement tests

$99/mo
monthly

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