DSS SOAP API is in care and maintenance mode. We have not defined a End Of Life policy yet for DSS SOAP API. We highly recommend all the new clients to be on DSS REST API. All new features and functionalities and contents sets are being added only to DSS REST API. Hope this helps.
DSS Webinar Dec 7: In order to use DSS REST API for an extraction, where can we lookup the format of the Request template (as xml / json) ? Also, for the response to that extraction, is there an schema that can be referenced?