Q8
Q8GPS
Fleet Command

Billing & Subscription Management

Plans, active units, usage, invoices, payments and dunning

Plans & Tiers

Base fee + active unit scaler + add-ons

Subscription Utilization

Included quantity vs current consumption

Invoices Ledger

Billing periods, itemization and payment state

InvoicePeriodIssued / DueStatusTotalBalanceGatewayAction

Dunning & Service State

Payment recovery must be idempotent and policy-driven