OSS charges fall into two categories:
Basic billable items: Standard charges that apply to most OSS users, including Storage fees for stored data, Traffic fees for data downloaded from OSS buckets or delivered through Alibaba Cloud CDN, and API operation calling fees for read and write requests.
Billable items for value-added features: Additional charges that apply only when you enable optional features such as image processing, transfer acceleration, and DDoS protection. For more information, see Billable items for value-added features.
The following figure shows the billable items of OSS.
