Dev tools · alternatives · 2026

24 alternatives to Mailgun

Transactional email API service for developers

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Mailgun launched in 2022; newer entries below may have overtaken it.

1. 1
   Mailflagger▲67

   Mailgun email tracking and analytics for everyone

   2021 · its alternatives →

2. 2
   Mailmodo Email API▲244

   APIs to send automated interactive emails with forms

   2021 · its alternatives →

3. 3M
   MailgunLogger▲38

   2020 · github.com · its alternatives →

4. 4
   Unosend▲205

   Send transactional + marketing email w/ 99.9% deliverability

   Dec 2025 · unosend.co · its alternatives →

5. 5
   Resend▲1,325

   Email for developers

   2023 · resend.com · its alternatives →

6. 6
   MailerLogic▲96

   Email API with built-in deliverability intelligence

   Apr 2026 · mailerlogic.com · its alternatives →

7. 7
   MailerSend▲314

   Better transactional emails for teams.

   2020 · its alternatives →

8. 8
   MessageBus▲69

   Send email with a powerful API, track it with our platform.

   2014 · its alternatives →

9. 9
   Mailem▲213

   Mailgun client that makes mass email marketing a breeze

   2021 · its alternatives →

10. 10
    Mailazy▲203

    Cloud email infrastructure for the internet

    2022 · its alternatives →

11. 11
    Mailintel▲86

    Analytics and reporting dashboard for transactional emails.

    2019 · its alternatives →

12. 12
    Transactional.dev▲181

    Next level PDF generation tool for devs

    2024 · transactional.dev · its alternatives →

13. 13
    MailerSend - Transactional SMS API▲126

    Build strong customer connections with transactional SMS

    2022 · its alternatives →

14. 14
    Pusher Beams▲165

    Hosted API for devs to deliver transactional notifications

    2018 · its alternatives →

15. 15
    Emailkick▲182

    Simple email designer and API for AWS SES users

    2022 · its alternatives →

16. 16IB
    I built Mailhub – A scalable API for sending emails with ease not tears▲104

    2024 · mailhub.sh · its alternatives →

17. 17
    Email API benchmarks▲113

    A real-time dashboard of email provider performance

    Mar 2026 · knock.app · its alternatives →

18. 18
    MailAdept by mailwarm▲287

    AI Agents & Email deliverability experts on your team

    Jul 2026 · mailadept.com · its alternatives →

19. 19
    Mailercloud Email API Platform▲165

    1,000+ Emails per Second with 99%+ Deliverability

    Mar 2026 · mailercloud.com · its alternatives →

20. 20
    Mailbrew▲401

    Automated email digests from Twitter, Reddit, YouTube & more

    2020 · its alternatives →

21. 21
    Maileroo▲118

    Transactional email delivery

    2023 · its alternatives →

22. 22
    SMTPKit▲13

    Powerful SMTP & API for Transactional Emails

    2024 · smtpkit.com · its alternatives →

23. 23
    Waypoint▲138

    Build and send data-rich emails, faster than ever

    2023 · its alternatives →

24. 24
    Blastable▲167

    Get More Emails Inboxed Using AI

    2025 · blastable.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →