noun
usage-based billing; pay-as-you-go system
A billing system where charges are based on actual usage or consumption, common for utilities, cloud services, and mobile data plans.
See also: 従量制
このクラウドサービスは従量課金制を採用している。
This cloud service uses a pay-as-you-go billing system.
The electricity bill is metered; you pay only for what you use.