What is the BEMS Contact Service API?
Request, create, and update format
Requesting contact list information
Creating and requesting folder and subfolder information
Adding contact information
Appendix: Configure the UserShape properties

Creating and requesting folder and subfolder information

Third-party

BlackBerry Dynamics

apps can retrieve folder and subfolder information that the user created in their contact folder. Subfolders can also be created in a specific folder.

Creating and updating folder parameters

Create a folder or subfolder

Request all folders and subfolders under the contacts folder