Example - calling Angular1.x service from controller with/without headers

orderController.js

// controller function – calling service
$scope.loadOrders = function() {
    
    orderService.loadOrder()
	.then(function(result){
    	if(result) {
      	    //populate $scope property for the view
    	}
    })
}

orderService.js

svc.loadOrders = function() {
  return $http.get('<loadOrderURL>'); // this resturns a promise
}