Documentum Foundation Services
Mature core platform SOAP API
Difficult to use, hard to learn
Enables custom application and deep integration development
Ideal for System to System integration, Strongly typed languages, Explicit contracts(WSDL, policies, security)
Content Management Integration Services
A standard , “lowest common denominator” API for ECM interoperability
1.0 version supported
Resources: REST
Core platform services + extended services
Actively Developed
Targeted to quick multi-device client interface and web development