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With the Box Postman Collection loaded into the Postman App it is possible to make API calls to the Box API on behalf of the user logged in as.
The Box Postman Collection will require a valid access_token environment variable to make API calls. To get your Postman App set up with a valid Access Token we recommend following our Quick Start guide.

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Make an API request

To make an API request, select a Request from the Box Postman Collection. In this example, we will use the List items in folder API which can be found in the Folders folder.
Selecting an API request
By default the folder_id for this API endpoint is set to 0 which represents every user’s root folder. You can leave this value as is or set it to the folder ID of a folder you want to inspect. Next, click the Send button in the top right to make the API request.
Postman Send button
The API call should return quickly and show you a list of items in your folder in the response Body tab in the bottom half of the screen.
Postman response body
Authentication errorAt this point Postman might return an error instead of a list. Often, this means your Access Token has expired. Check our guide on refreshing an access token in Postman for more details.