This topic describes items related to ECS billing, including billable resources, billing methods, and payment methods.
For more information about ECS resource prices, see Pricing.
ECS comprises the following major components: instances, images, block storage devices, snapshots, security groups, and networks. For more information, see ECS architecture.
|ECS instances||You are billed based on the instance type you choose. The instance type determines the number of vCPUs and the size of memory you can use.|
|Images||Images are classified into four types:
|Block storage||Alibaba Cloud provides the following types of block storage devices:
|Internet bandwidth||An ECS instance can access the Internet by using the following methods:
|Snapshots||Snapshots are billed based on the storage space usage.|
- Subscription: A prepaid method that allows you to use an instance only after you pay for it. Subscription is suitable the services that run for 24 hours a day and 7 days a week, such as Web services. For more information, see Subscription.
- Pay-as-you-go: A postpaid method in which you can pay after using the resource. Pay-as-you-go is suitable for scenarios where traffic spikes occur, such as temporary scaling, interim testing, and scientific computing. For more information, see Pay-As-You-Go.
For the difference between subscription and pay-as-you-go, see Billing method comparison.
Images can only be used with ECS instances. Windows-based reserved instances can be used to offset image bills.
The billing methods of cloud disks depend on how they are created.
You can change the billing methods of your cloud disks to suit your needs. For more information, see Convert the billing methods of cloud disks.
|Internet bandwidth||If your ECS instance accesses the Internet by using a fixed public IP address, the
billing methods are as follows:
You can enable Internet bandwidth when creating an ECS instance or enable Internet bandwidth by using the upgrading or downgrading function after you create an ECS instance. For more information, see Billing of Internet bandwidth.
For more information, see Billing of snapshots.
- Bank card
Alibaba Cloud will make pre-authorization hold to your PayPal account after your pay-as-you-go resources start incurring fees.
- Paytm (India)
Only for users in India. Alibaba Cloud will make pre-authorization hold to your Paytm account after your pay-as-you-go resources start incurring fees.
Before purchasing ECS resources, you must bind a bank card, PayPal account, or Paytm (India) account to your Alibaba account. For more information, see Add a payment method in Account management .
To purchase ECS resources in mainland China, you must complete real-name verification. For more information, see "How can I complete real-name verification?" in Real-name verification FAQs of Account management .