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Last Updated:Nov 23, 2023

Queries the request hit ratio in percentage.

Operation Description

  • You can call this operation up to 100 times per second per account.
  • If you do not set the StartTime or EndTime parameter, the request returns the data collected in the last 24 hours. If you set both these parameters, the request returns the data collected within the specified time range.

Time granularity

The time granularity supported by the Interval parameter, the maximum time period within which historical data is available, and the data delay vary with the maximum time range per query, as described in the following table.

Time granularityMaximum time range per queryHistorical data availableData delay
5 minutes3 days93 days15 minutes
1 hour31 days186 days4 hours
1 day366 days366 days04:00 on the next day


You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.


Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • The required resource types are displayed in bold characters.
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
OperationAccess levelResource typeCondition keyAssociated operation
  • Domain

Request parameters


The accelerated domain name. You can specify up to 500 domain names in each request. Separate multiple domain names with commas (,).

By default, this operation queries the request hit ratio for all accelerated domain names that belong to your Alibaba Cloud account.

The beginning of the time range to query.

Specify the time in the ISO 8601 standard in the yyyy-MM-ddTHH:mm:ssZ format. The time must be in UTC.


The end of the time range to query.

Specify the time in the ISO 8601 standard in the yyyy-MM-ddTHH:mm:ssZ format. The time must be in UTC.

Note The end time must be later than the start time.

The time granularity of the data entries. Unit: seconds.

The time granularity varies with the maximum time range per query. Valid values: 300 (5 minutes), 3600 (1 hour), and 86400 (1 day). For more information, see Usage notes.


Response parameters


The end of the time range during which data was queried.


The start of the time range during which data was queried.


The ID of the request.


The accelerated domain name.

The time interval between the data entries returned. Unit: seconds.

ReqHitRateIntervalobject []

The request hit ratio data at each time interval. The hit ratio is measured in percentage.


The request hit ratio.


The timestamp of the returned data.


The hit ratio of HTTPS requests.



Sample success responses


  "EndTime": "2017-12-22T08:00:00Z",
  "StartTime": "2017-12-21T08:00:00Z",
  "RequestId": "16A96B9A-F203-4EC5-8E43-CB92E68F4CD8",
  "DomainName": "",
  "DataInterval": "300",
  "ReqHitRateInterval": {
    "DataModule": [
        "Value": "100.0",
        "TimeStamp": "2017-12-22T08:00:00:00Z",
        "HttpsValue": "50.0"

Error codes

HTTP status codeError codeError messageDescription
400InvalidStartTime.MalformedSpecified StartTime is malformed.The specified start time is invalid. For more information, see the API references.
400InvalidEndTime.MalformedSpecified EndTime is malformed.The format of the end time is invalid. Specify a valid value.
400InvalidStartTime.ValueNotSupportedThe specified value of parameter StartTime is not supported.The start time is invalid. Set this parameter to another value and try again.

For a list of error codes, visit the Service error codes.

Change history

Change timeSummary of changesOperation
2023-06-13The error codes of the API operation change.see changesets
Change itemChange content
Error CodesThe error codes of the API operation change.
    Error Codes 400 change