SP.Web.CreateAnonymousLink Method via REST

CreateAnonymousLink REST

Test.CreateAnonymousLink = (function()
  {
  
  var ctx = SP.ClientContext.get_current();

  var restSource = _spPageContextInfo.webAbsoluteUrl + "/_api/SP.Web.CreateAnonymousLink";
  alert(restSource);
  $.ajax(
  {
  'url': restSource,
  'method': 'POST',
  'data': JSON.stringify({
     'url': _spPageContextInfo.webAbsoluteUrl + '/Shared Documents/CRM Dynamics 2015 key.txt',
     'isEditLink': true
  }),
  'headers': {
  'accept': 'application/json;odata=verbose',
  'content-type': 'application/json;odata=verbose',
  'X-RequestDigest': $('#__REQUESTDIGEST').val()
  },
  'success': function (data) {
   alert(data.d.CreateAnonymousLink);
  },
  'error': function (err) {
  alert(JSON.stringify(err));
   }
  }
  );
 }
);