You can call this operation to query devices by tags.

Limits

Up to ten tags can be used at one time.

Request parameters

Parameter Type Required Description
Action String Yes The operation that you want to perform. Set the value to QueryDeviceByTags.
PageSize Integer No The number of devices per page in the response. The maximum limit is 50. The default value is 10.
CurrentPage Integer No The number of the page to be displayed. The default value is 1.
Tag List<Tag> Yes The device tags. Quantity limit: up to 10 tags can be entered.

Tag includes TagKey and TagValue, which correspond to the key and value of a tag respectively.

You can specify a TagKey without a TagValue.

For more information about tags, see the following table Tag.
Common request parameters - Yes For more information about common request parameters, see Common parameters.
Table 1. Tag
Parameter Type Required Description
TagKey String Yes The key of the device tag.
TagValue  String  No The value of the device tag.

Response parameters

Parameter Type Description
RequestId String The globally unique ID generated by Alibaba Cloud for the request.
Success Boolean Indicates whether the call is successful. A value of true indicates that the call is successful. A value of false indicates that the call has failed.
ErrorMessage String The error message returned when the call fails.
Code String The error code returned when the call fails. For more information about error codes, see Error codes.
PageCount Integer The total number of pages.
PageSize Integer   The number of devices displayed per page.
Page Integer The current page number.
Total Integer The total number of devices.
Data Data The list of device information returned when the call is successful. For more information, see the following SimpleDeviceInfo table.
Table 2. SimpleDeviceInfo
Parameter Type Description
ProductName String The name of the product which the device belongs to.
ProductKey String The unique identifier of the product which the device belongs to.
DeviceName String The device name.
IotId String The globally unique ID issued by IoT Platform to the device.

Examples

Request example

https://iot.cn-shanghai.aliyuncs.com/?Action=QueryDeviceByTags
&CurrentPage=1
&PageSize=10
&Tag. 1. TagKey=dfdfd
&Tag. 1. TagValue=dfdfdfdf
&Tag. 2. TagKey=ddfdfdf
&Tag. 2. TagValue=dfdfdfdfd
&Common request parameters

Response example

  • JSON format

    {
    "PageCount": 1,
    "Data": {
        "SimpleDeviceInfo": [
            {
                "DeviceName": "1102jichu02",
                "ProductKey": "a1SM5S1shy1",
                "IotId": "GookTiUcwqRbHosp9Ta10017d3a00",
                "ProductName": "TEST"
            }
        ]
    },
    "PageSize": 10,
    "Page": 1,
    "RequestId": "2B5091E4-32D5-4884-A5B2-2E8E713D84AF",
    "Success": true,
    "Total": 1
}

  • XML format

    <? xml version="1.0" encoding="UTF-8" ? >
<QueryDeviceByTags>
	<PageCount>1</PageCount>
	<Data>
		<SimpleDeviceInfo>
			<DeviceName>1102jichu02</DeviceName>
			<ProductKey>a1SM5S1shy1</ProductKey>
			<IotId>GookTiUcwqRbHosp9Ta10017d3a00</IotId>
			<ProductName>TEST</ProductName>
		</SimpleDeviceInfo>
	</Data>
	<PageSize>10</PageSize>
	<Page>1</Page>
	<RequestId>2B5091E4-32D5-4884-A5B2-2E8E713D84AF</RequestId>
	<Success>true</Success>
	<Total>1</Total>
</QueryDeviceByTags>