How to Get a Postman Bearer Token for Azure Resources

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In this post, we will look at how to get a bearer token using Postman for connecting to Azure resources.

First, let’s open Postman and create a new collection, then a new Request:

Next, let’s create our request.

The URL we will hit is in the format https://login.microsoftonline.com/{tenantid}/oauth2/token. To find your Azure tenant id, go to https://portal.azure.com and search for Azure Active Directory:

Your tenant id is here:

Now add that to the Postman URL, so your request looks like this:

Next, go to the Body tab and select x-www-form-urlencoded:

We will now add some key/value pairs.

First the key is grant_type and value is client_credentials:

Next, we will need a client id. In Azure, select App Registrations:

Register an app, something like below:

Now we have an Application (client) id:

Create a key for client_id and copy the value from above:

Now let’s add a client secret:

We see the value and secret id:

Now, provide the resource. We can see API Permissions this app has access to by going to API Permissions. We see this API has a permission to https://graph.microsoft.com:

We can add other permissions by clicking on Add a permission:

Some other resources include:

  • https://auth.msft.communication.azure.com (Azure Communication Services)
  • https://aadrm.com/ (Azure Rights Management Services)
  • https://aadrm.com/ (Azure Service Management)
  • https://admin.services.crm.dynamics.com/ (Dynamics CRM)
  • https://admin.services.crm.dynamics.com/ (Flow Service)
  • https://manage.office.com/ (Office 365 Management APIs)
  • https://manage.office.com/ (Power BI Service)

Our request should now look like below. Click Send, and we see we get the Bearer token in the response:

 

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ABOUT CARL DE SOUZA

Carl de Souza is a developer and architect focusing on Microsoft Dynamics 365, Power BI, Azure, and AI.

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