Power BI REST API with ‘Try-it’ tool allows you to try APIs without any code
Anyone with a Power BI license can now log into the account to see how the Power BI REST API works, get information, or perform operation on Power BI artifacts you have access to – without writing any code using the Power BI REST API Try-it Tool. With five simple steps, users are able to try capabilities of the Power BI REST API without writing code.
Source: Azure Roadmap