Interact with UniFi Network controllers via the LOCAL Integration API v1 (NOT the cloud Site Manager API). Use when: (1) querying network devices, clients, or statistics, (2) managing networks, WiFi SSIDs, firewall zones, ACL rules, (3) generating/managing hotspot vouchers, (4) listing VPN servers, WAN interfaces, RADIUS profiles. Supports UDM, UDM-Pro, UDM-SE, and Cloud Key controllers with full CRUD operations.