What are some alternatives?
SendBird - SendBird is messaging-as-a-service.
Twilio - Brings voice and messaging to your web and mobile applications.
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Layer - Layer is het platform voor alle Infrastructure & Testing Engineers. Blijf up-to-date in jouw vakgebied: vacatures, sociale bijeenkomsten en informatie.
Bandwidth - Track your Wi-Fi hotspot usage. Zero configuration required. It just works.
VoxImplant - Voximplant is a software program that allows businesses to automate communications by setting up automatic communication systems in the cloud.