Device Data API-V1

list device EUIs

GET {host}/1.0/lists/devices/eui

this is a quick method to get all device EUIs belonging to the organization

200

{
    "code": "0",
    "data": {
        "gateway": [
            "2CF7F1........",
            "2CF7F1........",
            "2CF7F1........"
        ],
        "node": [
            "2CF7F1........",
            "2CF7F1........",
            "2CF7F1........",
            "2CF7F1........",
            "2CF7F1........"
        ]
    }
}

Example request

curl --request GET \
  --url {host}/1.0/lists/devices/eui \
  --user '<username>:<password>'

get the latest data of the device

GET {host}/1.0/devices/data/:node_eui/latest

Path Parameters

Name	Type	Description
node_eui	string	Node EUI

Query Parameters

Name	Type	Description
measure_id	string	sensor measurement ID, eg. measure_id=4097
channel	string	query data from this channel, if omitted, measurements of all channels will be returned

200

OK

{
    "code": "0",
    "data": [
        {
            "channel": "32", // channel number
            "points": [
                {
                    "value": "185", // the measurement value
                    "measurement_id": "4104", // the measurement id
                    "created": "1585207708575" // when the record is created 
                }
            ]
        }
    ]
}

Error1

Example request

curl --request GET \
     --url {host}/1.0/devices/data/:node_eui/latest?measure_id:measure_id&channel:channel \
     --user '<username>:<password>' \
     --include

get the history data of the device

GET {host}/1.0/devices/data/:node_eui/raw

Get the history data of a specified node.

Path Parameters

Name	Type	Description
node_eui	string	Node EUI

Query Parameters

Name	Type	Description
measure_id	string	the sensor measurement ID, eg. measure_id=4087
channel	string	query data from this channel, if omitted, data points of all channels will be returned
limit	number	the number of records you want to query, max is 400
time_start	number	timestamp, unit millisecond
time_end	number	timestamp, unit millisecond

200

OK

{
    "code": "0",
    "data": [
        {
            "channel": "1", // channale number
            "points": [
                {
                    "measurement_id": "4099", // the measurement id
                    "value": "0",  // measurement value
                    "created": "1585207694901" // when the record is created 
                },
                {
                    "measurement_id": "4099",
                    "value": "0",
                    "created": "1585207626265"
                }
            ],
            "channel_name": ""
        },
        {
            "channel": "2",
            "points": [
                {
                    "measurement_id": "4102",
                    "value": "25.7",
                    "created": "1585207695572"
                },
                {
                    "measurement_id": "4103",
                    "value": "0.0",
                    "created": "1585207695572"
                }
            ],
            "channel_name": ""
        }
    ]
}

Error1

Example request

curl --request GET \
  --url {host}/1.0/devices/data/:node_eui/raw?limit=:limit&time_start=:time_start&time_end=:time_end \
  --user '<username>:<password>' \
  --include

get the segment data of the device

GET {host}/1.0/devices/data/:node_eui/segment

Segment a huge data set into small ones, then output the average value of each small segment. The small segment is described with time length, e.g. 60 minutes.

Path Parameters

Name	Type	Description
node_eui	string	Node EUI

Query Parameters

Name	Type	Description
measure_id	string	sensor measurement ID, eg. measure_id=4098
channel	string	query data from this channel, if omitted, data points of all channels will be returned
segment	string	time length of segment, unit minute
time_start	string	timestamp, unit millisecond
time_end	string	timestamp, unit millisecond

200

OK

{
    "code": "0",
    "data": [
        {
            "channel": "1", // channel number
            "lists": [
                {
                    "avg": "9.72",  // avgrage value of the segment
                    "measurement_id": "4099", // the measurement id
                    "created": "1556051760000"
                },
                {
                    "avg": "6.07",
                    "measurement_id": "4099",
                    "created": "1556177940000"
                }
            ]
        }
    ]
}

Error1

Example request

curl --request GET \
  --url {host}/1.0/devices/data/:node_eui/segment?measure_id:measure_id&channel:channel&segment:segment&time_start:time_start&time_end:time_end \
  --user '<username>:<password>' \
  --include