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Batch query of data stream information

Request format: GET

URL: http://api.onenet.hk.chinamobile.com/devices/device_id/datastreams

device_id: to be replaced with device ID

URL request parameter

Name Format Required or not Description
datastream_ids string No Data stream ID. Multiple IDs are separated by commas. By default, the query is looking for all data streams.

http header

Name Format Required or not Description
api- key string Yes masterkey or apikey with the permission for access to the device

Return Parameters

Name Format Description
errno int Call error code, where 0 means success.
error string Error description. “succ” means the call is successful.
data array- json Device-related information returned after interface is successfully called. See the Data Description Table.
Data Description Table
Name Format Description
id string Data stream ID
create_time string Data stream creation time
update_at string Upload time of the latest data
current_value string/int/json... The latest data point

Request Example

GET http://api.onenet.hk.chinamobile.com/devices/20474930/datastreams?datastream_ids=aaa,bbb HTTP/1.1

Return Example

{
    "errno": 0,
    "data": [{
        "update_at": "2017-11-20 10:03:10",
        "id": "aaa",
        "create_time": "2017-11-20 09:59:35",
        "current_value": {
            "Header": {
                "CipherType": 1,
                "DevType": 1
            },
            "Body":  3
        }
    }, {
        "update_at": "2017-12-22 10:30:22",
        "id": "bbb",
        "create_time": "2017-12-22 10:12:36",
        "current_value": 1
    }],
    "error": "succ"
}

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