Get SharePoint Item’s Author Details using REST

When we fetch document details from the SharePoint, sometimes we may need to get the Author details as well. By default when we do ODATA REST query, we will get only Authorid with a number as a result.

To get Author’s additional details we may need to expand the selected item as show below.

Following list show all the valid Author fields

  1. Title
  2. Name
  3. EMail
  4. MobilePhone
  5. SipAddress
  6. Department
  7. JobTitle
  8. FirstName
  9. LastName
  10. WorkPhone
  11. UserName
  12. Office
  13. ID
  14. Modified
  15. Created

Source: https://social.technet.microsoft.com/wiki/contents/articles/31210.sharepoint-2013-get-user-details-from-person-or-group-field-using-rest-api.aspx