Billing Mode Overview

API Data Security Protection instances support the yearly/monthly billing mode.

Yearly/Monthly billing: A prepaid mode in which you pay for the service before using it. Your bill is settled based on the required period. The longer you use the service, the more discounts you get. This mode is applicable to mature services that have long-term and stable device requirements.

**Table 1** Billing mode
Billing Mode	Yearly/Monthly billing
Payment Method	Prepaid Billed by the purchase period specified in your order
Billing Period	Billed by the purchase period specified in the order
Applicable Billing Items	API Data Security Protection instance specifications
Changing Specifications	Edition and specifications cannot be changed.
Applicable Scenarios	This billing mode is cost-effective and suitable when the duration of resource usage is predictable. The yearly/monthly mode is recommended for long-term users.