AWS Budgets lets you set custom cost and usage budgets that alert you when your budget thresholds are exceeded. Your first two budgets are free, and each subsequent budget will incur a CNY 0.14 daily cost.
AWS Budgets Reports
AWS Budgets Reports allow you to monitor the performance of your budget portfolio on a daily, weekly, or monthly basis by receiving an emailed report. Each report delivered will incur a cost of CNY 0.07.
AWS Cost Explorer API
The AWS Cost Explorer API lets you directly access the interactive, ad-hoc query engine that powers AWS Cost Explorer. Each request will incur a cost of CNY 0.07.
AWS Cost Explorer hourly & resource granularity
The Cost Explorer Hourly and Resource level granularity allows you to access hourly granularity for the past 14 days and resource level granularity for EC2 instances. The cost is CNY 0.07 per 1,000 UsageRecords month. UsageRecords are defined as one line of usage. For example, one EC2 instance running for 24 hours will generate 24 distinct usage records at the hourly granularity.