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Create an Application Access in Usage Engine as described in Configuring Application Access. Ensure to copy the Client Secret since it will only be visible when creating the Application Access.
Either download the Postman app, or select to run it in a browser, and create an account and sign in.
Go to the workspace and import the OPEN API specification. The API specification can be downloaded from the endpoint of your environment Environments.
Import the downloaded API specification in the postman as Postman collection.
Click on the REST API basics tutorial, and your workspace opens with a basic set of requests; GET, POST, PUT, DEL.
Select one of the methods and click on the Authorization tab to configure the application authentication.
Click on the Type drop-down and select OAuth 2.0.
Scroll down to the Configure New Token section.
Paste the Client ID and Client Secret details from the Configuring Application Access Application Access you created in Usage Engine in the first step.
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