Step 1: Log https://open.iot.10086.cn/ after entering the Developer Center. Select a product has been created, enter the product generalize page, see the product Master-APIkey.
Step 2: enter https://open.iot.10086.cn/doc/art288.html#68 after the download interface specification documents.
Step 3: choose according to specific needs, following the "single view of a device data flow" as an example.
Step 4: In the list of devices in the Developer Center, select the device you want to view, record the device ID.
Step 5: Click to view the data stream for the device, record the names need to see the data stream.
Step 6: tested according to the format in Step 3 in Postman.
