Billing Item	Billing Item Description	Billing Formula
COS Standard Storage Capacity	The billing is calculated based on the storage capacity, different storage types have different unit prices.	Storage capacity fee = storage capacity unit price x daily storage capacity.
COS Standard Storage Read Request	The request cost is calculated based on the number of requests, and the unit price of requests varies for different storage types.	Request fee = price per ten thousand requests x daily cumulative number of requests / 10000.
COS Standard Storage Write Request	The request cost is calculated based on the number of requests, and the unit price of requests varies for different storage types.	Request fee = price per ten thousand requests x daily cumulative number of requests / 10000.
COS Outbound External Network Traffic	Public network downstream traffic.	Traffic fee = price per GB x daily accumulated traffic.
COS Cross-region Replication Traffic	Cross-region Replication Traffic.	Traffic fee = price per GB x daily accumulated traffic.

How Do I View the Bills?

You can view the fees incurred by your account using the object storage service at the Billing Center in the console.

Does Transferring Data Between COS and CVM Incur Charges for Requests and Traffic?

Transferring data between COS and CVM in the same region is considered transmission in a private network, so the traffic is free. Transferring data between COS and CVM in different regions incurs traffic charges.

Requests generated by data transfer between COS and CVM, regardless of the region and whether they are over a private or public network, will be charged.

How Is Outbound Public Network Traffic from COS Billed?

Outbound public network traffic is the traffic generated by data transfer from COS to the client over the Internet. Traffic generated by downloading an object directly via an object link or by browsing an object via a static website access node is considered outbound public network traffic, and the corresponding fees are the outbound public network traffic fees.

Does Uploading Files to a COS Bucket Generate Traffic Fees?

No.

Does Accessing between Cloud Products in the Same Region Generate Traffic Fees?

When you access cloud products in the same region, a private network connection will be automatically used, which will not generate traffic fees.

Can I Still Access and Download Files in the COS Console If My COS Service Is Suspended Due to Overdue Payment?

After the COS service is suspended due to overdue payment, you cannot access the console. During this period, if you do not top up your account to make the balance greater than or equal to 0, your data will continue to be isolated.

Do Traffic Fees Incur If an Object Stored in COS Is Subject to DDoS Attacks?

Traffic fees do not incur if an object is subjected to DDoS attacks. COS buckets have a hotlink protection feature. You can reduce the impact of DDoS attacks after enabling the hotlink protection setting.