Get a list of available 'send' groups, including 'merge' groups - pre-defined groups containing a list of mobile numbers to send a message to.
Also lists 'stop' groups - numbers in these groups will never be sent messages. Every account has at least one stop group, so that your recipients can always opt out of receiving messages from you. This is a legal requirement.
Example
You must know!
Our example code is an illustration of how you might integrate with our systems and is not certified for production environments. You are responsible for testing and QA.