You are charged for Object Storage Service (OSS) DDoS protection based on the number of your Anti-DDoS instances, traffic protected by OSS DDoS protection, and the number of requests that you send for OSS DDoS protection.

Note This topic describes the billable items and billing methods of OSS. For more information about OSS pricing, see Object Storage Service pricing.
Billable item Billing rule Billing cycle Billing method
Fees for Anti-DDoS Pro and Anti-DDoS Premium resource reservation (SecReserved) You are charged based on the number of Anti-DDoS instances that you purchase and the usage duration of the instances. You are billed on an hourly basis. The fees are automatically deducted from the balance of your Alibaba Cloud account. Bills are generally generated after a billing cycle ends. The time when bills are generated is determined by the system.
  • Pay-as-you-go: Fees for Anti-DDoS Pro or Anti-DDoS Premium resource reservation = Number of Anti-DDoS Pro or Anti-DDoS Premium instances × Usage duration of the instances × Unit price per hour.
  • Resource plan: Go to the OSS Resource Plans page and select DDoS Protection Basic Plan.
Fees for the remaining duration of Anti-DDoS instances that are released within the minimum usage duration (SecEarlyReleased) If an Anti-DDoS instance is released within seven days after the instance is created, you are charged for the minimum usage duration of seven days, including the remaining duration (7 days × 24 hours - Actual usage duration).
  • Pay-as-you-go: Fees for the remaining duration of Anti-DDoS Pro or Anti-DDoS Premium instances that are released within the minimum usage duration = Unit price per hour for Anti-DDoS Pro or Anti-DDoS Premium resource reservation × (7 days × 24 hours - Actual usage duration)
  • Resource plan: Go to the OSS Resource Plans page and select DDoS Protection Basic Plan.
Fees for traffic protected by OSS DDoS protection (SecFlow) You are charged fees for outbound and inbound traffic that are generated over the Internet when the buckets that are attached to your purchased Anti-DDoS instance are accessed. The fees are calculated based on the maximum outbound or inbound traffic.
  • Pay-as-you-go: Fees for traffic protected by OSS DDoS protection = Maximum amount of outbound or inbound traffic over the Internet × Unit price per GB
  • Resource plan: not supported
Fees for API requests protected by OSS DDoS protection (SecRequest) You are charged fees for API requests that are initiated to access buckets that are attached to the Anti-DDoS instance that you purchased. The fees are calculated based on the number of API requests.
Note You are charged for both successful and failed requests.
  • Pay-as-you-go: Fees for API requests protected by OSS DDoS protection = Number of requests × Unit price per 10,000 requests/10,000.
  • Resource plan: not supported