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To get a file’s information, not its content, call the API with the id of the file.

File ID

The id for any file can be determined by visiting a file in the web application and copying the id from the URL. For example, for the URL https://*.app.box.com/file/123 the file_id is 123.

Additional fields

To get more of the fields for a file, make sure to pass along the fields query parameter.

Learn about requesting extra fields

Last modified on August 28, 2026