BatchQuerySessionByClientIds - ApsaraMQ for MQTT - Alibaba Cloud Documentation Center

Queries the status of multiple ApsaraMQ for MQTT clients by client ID.

Operation description

You can call the BatchQuerySessionByClientIds operation up to 100 times per second. For more information, see Limits on QPS.
You can call the BatchQuerySessionByClientIds operation to query the status of up to 10 ApsaraMQ for MQTT clients in a single query.
Each successful call to the BatchQuerySessionByClientIds operation increases the messaging transactions per second (TPS) by one. This affects the billing of your instance. For more information, see Billing rules.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Debug

Authorization information

There is currently no authorization information disclosed in the API.

Request parameters

Parameter	Type	Required	Description	Example
InstanceId	string	Yes	The ID of the ApsaraMQ for MQTT instance. The ID must be consistent with the ID of the instance that the ApsaraMQ for MQTT client uses. You can obtain the instance ID on the Instance Details page that corresponds to the instance in the ApsaraMQ for MQTT console.	post-cn-0pp12gl****
ClientIdList	array	Yes	The ApsaraMQ for MQTT clients.
	string	Yes	The serial number of the ApsaraMQ for MQTT client. The value N indicates the Nth ApsaraMQ for MQTT client. Note You can query the status of up to 10 ApsaraMQ for MQTT clients in a single query. The value range of N is 1 to 10.	ClientIdList.1

Note For information about other parameters, see Common parameters and Endpoints .

Response parameters

Parameter	Type	Description	Example
	object
RequestId	string	The request ID. This parameter is a common parameter.	63309FDB-ED6C-46AE-B31C-A172FBA0****
OnlineStatusList	object []	The status list of all queried ApsaraMQ for MQTT clients.
OnlineStatus	boolean	Indicates whether the ApsaraMQ for MQTT client is online. Valid values: true false	true
ClientId	string	The ID of the ApsaraMQ for MQTT client. For more information about client IDs, see Terms .	GID_test@0001

Examples

Sample success responses

JSONformat

{
  "RequestId": "63309FDB-ED6C-46AE-B31C-A172FBA0****",
  "OnlineStatusList": [
    {
      "OnlineStatus": true,
      "ClientId": "GID_test@0001"
    }
  ]
}

Error codes

HTTP status code	Error code	Error message
400	CheckAccountInfoFailed	An error occurred while checking the account information by the STS token.
400	InstancePermissionCheckFailed	An error occurred while validating the permissions of the instance. Please verify the account that created the instance and its permissions settings.
400	ParameterCheckFailed	An error occurred while validating the parameters. The parameters may be missing or invalid.
400	PermissionCheckFailed	An error occurred while validating the resource permissions. Please check the account that created the instance, topic, and GroupId, and check their permission settings.
400	InvalidParameter.%s	An error occurred while validating the parameter. The parameter may be missing or invalid.
404	ApiNotSupport	The specified API is not supported.
500	InternalError	An error occurred while processing your request. Try again later.
500	SystemOverFlow	An error occurred while processing your request. Please try again.

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

Change history

Change time	Summary of changes	Operation

No change history