View the current status and usage of your CDN resource plans to avoid unexpected overages and make informed decisions about plan renewals.
Prerequisites
Before you begin, ensure that you have:
A purchased CDN resource plan. To purchase one, see CDN resource plan
Usage constraints
Outbound data transfer plans: Only the pay-by-data-transfer metering method supports deduction from this plan type.
Acceleration region restrictions: Resource plans for different acceleration regions cannot be used interchangeably.
View resource plans in the console
Go to the Manage Reserved Instances page to view all purchased resource plans and their usage, including remaining quota and usage per acceleration region.
Set quota alerts
To receive notifications before a resource plan runs out, configure a remaining quota alert:
Go to the Manage Reserved Instances page.
Click Set Remaining Quota Alert.
Set the threshold value. When the remaining quota drops below this value, the system sends alert notifications via text message.

API reference
Use the following APIs to query resource plan details programmatically.
Resource plans of Dynamic Content Delivery Network (DCDN) are shared with Alibaba Cloud CDN. Use either API to query CDN resource plan details.
| API | Description |
|---|---|
| DescribeCdnUserResourcePackage | Queries the resource plans purchased for CDN. |
| DescribeDcdnUserResourcePackage | Queries the resource plans purchased for DCDN. |