data = new FormData(); data.append('userName', 'dummy'); data.append('UserFullName', ''); data.append('UserEmail', ''); data.append('Password', '') data.append('ConfirmPassword', '') data.append('SelectedRole', 16513) $.ajax({ url: 'https://sdb.tid.onespan.cloud/irm/Admin/UserAdmin/UpdateUser', data: data, processData: false, type: 'POST', success: function ( data ) { alert( data ); } });