Resource URL:
<group name or ID> should be replaced with the name or ID of the group to create, modify or retrieve. See the groups resource for a way of listing group IDs.
or (this is now DEPRECATED):
http://api.textmarketer.co.uk/services/rest/group (POST only)
Actions available:
A group is a set of numbers, either for sending a message to in the case of a 'send group', or to stop numbers from receiving a message in the case of a 'stop group'. See the groups resource further above.