Administrating Realms : About realm security : About REST API access
  
About REST API access
SAM features a powerful REST API for northbound traffic. When you enable REST API, it is enabled for all organizations within the realm. You can use the API to access many features that are also available through the GUI. See About SNMP.
Enabling REST API access
For details about the REST API, see About REST API access.
1. At the realm, select the Settings tab.
2. Under REST API, click On.