The OSS/J APIs are multi-technology based and include Java, XML, and Web Services integration profiles. Each integration profile consists of specifications, a reference implementation, and a conformance test suite (TCK). All OSS/J APIs are publicly available at no charge.

The OSS/J APIs have been grouped in different views for downloading. Each view lists a subset of APIs that have in common specific features.  

• SOA Enablement view
  The APIs in this view are designed to facilitate the deployment of SOA-ready environments
  
  
• Prosspero Approved APIs view
  This view shows the APIs that have been approved as part of Prosspero packages
  
  
• Prosspero Solution Center view
  This view shows the APIs that are part of the current Prosspero pipeline