Alternatives

Products that do what Twizo API – Programmatically Send SMS does

1
Texted.io▲126
Send text blasts to groups, receive individual replies
2017
2GY
Gosms – Your own local SMS gateway powered by Golang▲101
2015 · haxpax.github.io
3
SMS Chatbot▲99
Build your own SMS based text-bot in Botsify.
2020
4
Twift▲227
Send bulk DMs on Twitter without spending hours
2022
5
Twilio for Slack▲190
Enable SMS conversations with Slack+Twilio
2020
6
Sendblue▲101
Programmatically send iMessage and SMS
2021
7
Yo API▲103
programmatically send Yos (contextual messages) through API
2014
8
TwIM▲101
A clean, modern messaging app powered by Twitter DMs
2017
9CS
Client side, shareable, text2speech messages▲143
2012 · lalo.li
10
Twilio Notify▲150
One API to orchestrate notifications across SMS, push & more
2016
11
Noto▲122
The fastest way to send mobile notes
2014
12
TextMe.io▲101
Send customers a SMS w/ tap-friendly business contact info
2015
13
Plivo - SMS API ▲88
Twilio killer on steroids.
2014
14
Console.text()▲93
SMS alerts for your code just like console.log()
Dec 2025
15SA
Sending and Receiving SMS via APRS (VHF Amateur Radio)▲134
2021 · smsgte.org
16TP
Twilio plays Pokemon - Play pokemon via SMS using twilio▲14
2015 · pokemon.winrar.io
17SS
Static Site Authoring via SMS▲38
2021 · phasedust.com
18BA
Balto, an API to Send iMessages▲6
2020 · balto.withterra.com
19
Enger▲85
The fastest way to send bulk SMS messages to your customers
2014
20OS
Open-source TypeScript SDK for sending and operating iMessages▲9
Oct 2025 · github.com
21AT
A telegram bot to send messages from the command line▲7
2017 · github.com
22TC
Tyranotext - create simple interactive SMS apps▲27
2011 · tyranotext.com
23QA
QKSMS, an SMS replacement app for Android▲46
2014 · play.google.com
24
Simscribe▲1
Turn any Android phone into an SMS API
10d ago · simscribe.com

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