httpSMS
Twilio
SMSMobileAPI
SMSGate App
Twilio SMS
textbee.dev
SMSAPI
sms2email.app
Talkus
Intercom
Chatlio
Avochato
Crisp Chat
Slaask
Smallchat Beta
Drift
httpSMS is a service that lets you use your Android phone as an SMS Gateway to send and receive SMS messages. You make a request to a simple HTTP API and it triggers your Android phone to send an SMS. SMS messages received on your android phone can also be forwarded to your webhook endpoint.
httpSMShttpSMS's answer
Go, Vuetify, Google Cloud
Twilio - Brings voice and messaging to your web and mobile applications.
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
SMSMobileAPI - Transform your mobile into an SMS gateway with SMSMobileAPI. Effortless sending/receiving, secure, cost-effective, and universal device compatibility
Chatlio - When you have a business to run, your average instant messaging software just will not do. You need an internal presence upon which your entire team can collaborate on. Read more about Chatlio.
SMSGate App - A secure, open-source solution for sending and receiving SMS messages via Android devices. No registration, email, or phone number required - just install and use.
Avochato - Text messaging for your business.