Alternatives

Products that do what SMSimple-API does

SMS integration made simple

1. 1
   MailerSend - Transactional SMS API▲126

   Build strong customer connections with transactional SMS

   2022

2. 2FF
   FreeTxtAPI: Free SMS Texting API▲10

   2017 · freetxtapi.com

3. 3PS
   Postack – SMS API for Developers▲8

   Hello developers, I'm excited to share something I've been working on out of my own frustrations with Twilio and others - meet Postack, an SMS API that's all about making your life easier. We're offering white-glove onboarding, quick campaign approvals, and some of the best pricing in the market, which gets even better as you scale. Designed with a focus on developer experience, we aim to remove the headaches associated with SMS campaigns, making integration a breeze. Check us out and let's make SMS communication straightforward and cost-effective together.

   2024 · postack.dev

4. 4
   Prelude Verify▲482

   Verify more users for less cost with our spam-free SMS API

   2024

5. 5
   Clockwork SMS▲100

   Easy text message API

   2015

6. 6
   Send API by beehiiv▲259

   Craft and send emails directly from your website or CMS

   2025

7. 7
   Intercom via SMS▲92

   Convert incoming customer texts into Intercom conversation

   2018

8. 8
   MessageBird Chat API▲390

   Connect with your customers through different messaging apps

   2016

9. 9
   OpenPhone API▲431

   The phone system for teams, now integrated with your stack

   2024

10. 10
    Receive SMS Online▲404

    Your free, instant & disposable SMS solution

    2023

11. 11
    Riley▲183

    MailChimp for SMS. Dashboard and API for triggering SMS.

    2018

12. 12
    Reach from SalesStream.ai▲340

    World's simplest free-forever email & SMS campaign builder

    2024

13. 13
    Sweego▲370

    Multichannel emails & sms sending API for developers

    2024

14. 14
    Sent.dm▲195

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

    2024

15. 15
    Convo▲150

    Conversational commerce for mobile developers

    2022

16. 16
    MessageBird API on StdLib▲165

    Purchase numbers, send SMS and more with one line of code

    2018

17. 17
    Texted.io▲126

    Send text blasts to groups, receive individual replies

    2017

18. 18
    Twilio for Slack▲190

    Enable SMS conversations with Slack+Twilio

    2020

19. 19
    IPROG SMS API▲6

    affordable SMS API in the Philippines

    2025

20. 20
    textbee.dev messaging v2.6▲7

    the open-source twillio alternative

    2025

21. 21
    Spectrum▲166

    Bring agents to all the interfaces people already use

    Apr 2026 · photon.codes

22. 22
    SMS Chatbot▲99

    Build your own SMS based text-bot in Botsify.

    2020

23. 23
    TextMarley▲136

    iMessage-based reminders integrated with Google Calendar

    2025

24. 24
    Sendblue▲101

    Programmatically send iMessage and SMS

    2021

Ranked by how close each launch is in meaning, then by votes. Refine with a description →