Dev tools · alternatives · 2026

24 alternatives to MailerSend - Transactional SMS API

Build strong customer connections with transactional SMS

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

1. 1
   MailerSend▲305

   Better transactional emails for teams.

   2020 · its alternatives →

2. 2
   Resend▲1,325

   An entire collection of pre-built components with a much faster development experience.

   2023 · resend.com · its alternatives →

3. 3
   Mailjet’s Transactional SMS API▲4

   Transactional SMS simple and easy

   2018 · mailjet.com · its alternatives →

4. 4
   Sweego▲369

   Multichannel emails & sms sending API for developers

   2024 · sweego.io · its alternatives →

5. 5
   Mailmodo Email API▲244

   APIs to send automated interactive emails with forms

   2021 · mailmodo.com · its alternatives →

6. 6
   Sender SMS▲151

   Effortless and affordable SMS marketing platform

   2021 · sender.net · its alternatives →

7. 7
   MailerLogic▲96

   Email API with built-in deliverability intelligence

   Apr 2026 · mailerlogic.com · its alternatives →

8. 8
   Unosend▲205

   Send transactional + marketing email w/ 99.9% deliverability

   Dec 2025 · unosend.co · its alternatives →

9. 9
   MessageBird Chat API▲390

   Connect with your customers through different messaging apps

   2016 · bird.com · its alternatives →

10. 10
    Popcorn Notify▲301

    Send simple emails and text messages from one API

    2018 · popcornnotify.com · its alternatives →

11. 11
    Respond Flow▲167

    The Mailchimp of SMS

    2020 · respondflow.com · its alternatives →

12. 12
    Maileroo▲118

    Transactional email delivery

    2023 · maileroo.com · its alternatives →

13. 13
    MailerLite▲290

    Intuitively-designed email marketing and website tools

    2014 · mailerlite.com · its alternatives →

14. 14
    Pusher Beams▲165

    Hosted API for devs to deliver transactional notifications

    2018 · pusher.com · its alternatives →

15. 15
    Sent.dm▲195

    Unified API for sending messages on SMS, WhatsApp, and more

    2024 · sent.dm · its alternatives →

16. 16
    Front API▲298

    Browse all emails, SMSs, chat, tweets to & from your company

    2016 · front.com · its alternatives →

17. 17
    Transactional Sms Services▲2

    Transactional Sms Services - Shree Tripada SMS

    2022 · its alternatives →

18. 18
    Texted.io▲126

    Send text blasts to groups, receive individual replies

    2017 · texted.io · its alternatives →

19. 19
    TextMarley▲136

    iMessage-based reminders integrated with Google Calendar

    2025 · its alternatives →

20. 20
    Gmail Transactional Email Relay by GMass▲79

    A free service to send transactional emails through Gmail

    2022 · gmass.co · its alternatives →

21. 21
    Clerk▲133

    SMS for Slack

    2020 · clerk.chat · its alternatives →

22. 22FF
    FreeTxtAPI: Free SMS Texting API▲10

    2017 · freetxtapi.com · its alternatives →

23. 23LM
    Locent – Mailchimp for SMS▲90

    2016 · locent.com · its alternatives →

24. 24
    Telnyx SMS API▲111

    Build global text messaging right in your app

    2019 · telnyx.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 →