There are many ways to manage resources on Azure and there are also many tools one can use. For example you can make use of the Azure Portal, PowerShell with the Az extensions, Azure CLI or make use of the Azure REST API to manage resources onm Azure.
On this page I will describe how you can use PowerShell to make a call to the REST API of Azure. To make the API call you will need the URL for the API call, the method (POST, GET, etc.) you want to use, the body of the message and a header which is used for authentication towards the API.

There are multiple approaches you can take to set up, configure and manage Azure DevOps. There are also multiple tools you can use. You can use the Azure Cli with the Azure DevOps extension, the VSTeam extension from the PowerShell Gallery or make use of API calls to set up, configure and manage Azure DevOps.
On this page I will describe how you can use PowerShell to make a call to the REST API of Azure DevOps. To make the API call you will need the URL for the API call, the method (POST, GET, etc.) you want to use and a header which is used for the authentication towards the API.