You had to break a complex task into 10 separate API calls (e.g., add IP, add route, add firewall rule). If one failed, you had to handle rollback manually.
You send one script block.
If you manage more than one MikroTik RouterOS device, you know the pain of clicking through WinBox or typing repetitive commands via SSH. While the command-line interface (CLI) is powerful, it doesn't scale. Mikrotik Api V3