Unless explicitly stated on the documentation for a method, the accepted Web API call content types are:
      
      Calls using any other content type (ex: text/plain) are not supported.
     
    
  - 
    APIs
  
 
  - 
    TeamDynamix.Api.Users.NewUser
  
 
  TeamDynamix.Api.Users.NewUser.Attributes
  The custom attributes associated with the new user.