The service provides services for outbound marketing and promotion campaigns, including mass email and SMS text messaging. Applications can use the services for communication opt-in forms, deliver advertising and manage advertiser relationships, and trigger communications based on user clicks or other selection of keywords.
API methods support one-way, outbound SMS messaging with message body and recipient mobile device numbers specified in the request. Methods also support sending poll or survey messages and processing responses from recipients. The API provides functions for advertiser accounts and for managing opt-in and opt-out requests to update communication preferences.