What this API does:
Send single or bulk voice messages via the 8x8 portal or API using the text to speech engine, in over 40 languages.
API documentation:
Example use:
Voice Messaging provides the ability to implement two factor authentication, for additional security on your site or application. When a customer attempts to login, an automated call will be made to the registered phone number, with a message containing a unique verification code for the user to enter into the site or app.