Sequent CCS SDK for App Developers is a set of APIs that enable them to build apps that use Sequent Core Card Services resources. The SDK lets third party developers create mobile apps that use card credential data stored in the secure element through APIs to CCS.
Sequent Enterprise SDK is a set of APIs that allow enterprise developers to connect in-house systems to Sequent Secure Element Management and Sequent Core Card Services. Developers, particularly in credential issuers, can use the these APIs to access the Sequent back-end.