To try an API method, you need an API key and you also need to provide any of the mandatory parameters.
Click API and, select a method you wish to try and click the Try it button.
Scroll down and click Send.
In a few milliseconds you will see sensor data in JSON format returned by the API.
Navigate to https://insomnia.rest. Download and install Insomnia.
Create new request, select GET and paste the GET URL from the developer portal.
Click Header and fill in Ocp-Apim-Subscription-Key and its value (from developer portal PROFILE page). Click Send.