NB-IoT Suite Product Introduction
Profile Resource model Advantages Definitions
QuickStart
Products and Devices
Create Product Create Device
Device access process
User Guide
Rule Engine
Service Introduction Rule Configuration Basic Data Format SQL
Message queue Application Management
Service Introduction Controls Introduction Operating Instructions
Device Development Guide
Protocol introduction Object and attribute Development Guide Supported module list Obtaining SDK transplantation Document download
Application Development Guide
API Authentication API List Device management-related API
Add new device Obtain the resource list Update device information Query device details Query device information in batch Query device condition in batch Query device information according to IMEI Delete device
Query API at data point
Query device latest data in batch Check data point
Real-time command API
Real-time command-resource discovery Real-time command-resource observation Real-time command-read device resource Real-time command-write device resource Real-time command-command release
Cache command API
Cache command-read device resource Cache command-write device resource Cache command-command release Check the cache command list of specified device Check the details of specified cache command Cancel cache command
Trigger-related API
Add trigger Update trigger Check trigger Delete trigger
DTLS-related API
Check device bs_psk Update bs_psk Add acc_psk Edit acc_psk Check device acc_psk
API status code HTTP push
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Best Practices
Access based on module (5310) Access based on MCU
FAQ
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real-time command-read device resource

Request format: GET

URL: http(s)://api.heclouds.com/nbiot

I only want to see examples！！！

Url parameter

Parameter NameFormatRequired?Description
imeistringYesnbiot device identity code
obj_idintYesobject id of device, equivalent to the data flow id in the platform model
obj_inst_idintNoid of a specific instance under the object of nbiot device, corresponding to a part of key value at the data point in the platform model, optional id of instance, corresponding to a part of key value at the data point in the platform model, required
res_idintNo Resource id of nbiot device, optional
timeoutintNotd>Time-out period, optional, 25s by default, value range [5, 40]

Return Parameters

NameFormatDescription
errnointCall error code, where 0 means success.
errorstring Error description, where "succ" means success.
dataarray-json Device resource information returned after the interface is successfully invoked; see data description list.
Data Description Table
NameFormatDescription
obj_inst_idintid of object instance
resarray-json res list
res description list
NameFormatDescription
res_idintresource id
valobjectresource idvalobjectValue of the resource read, bool, string, long, double type
Description

Return to the meaning corresponding to errno status code; check API status code.。

If obj_instance_id does not exist, resource_id msut not exist.

Request Example

GET http://api.heclouds.com/devices/nbiot?imei=**&obj_id=*** HTTP/1.1
api-key: WhI*************v1c=  //Must be MasterKey, because it involves personal privacy, use "*******" instead
Authorization: version=2018-10-31&res=products/23104&et=1554398783&method=sha1&sign=fsBwuj0udOpU3BLoHmpbFwyIo30=

返回示例

{
    "errno": 0,
    "error": "succ",
    "data": [{
            "obj_inst_id":123,
            "res":[
                    {
                    "res_id":1234,
                    "val": Object    //could be boolean、string、long、double
                    },
                    ………
                ]
            },
            ………
            ]
} //In the response message, errno represents the error code, and error represents the cause of the error.

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real-command-write device resource >

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