Angular http.post

index.html

<div id="todo-form" class="row">
	<div class="col-sm-8 col-sm-offset-2 text-center">
		<form>
			<div class="form-group">
				<input type="text" class="form-control input-lg text-center" placeholder="Digite uma tarefa." ng-model="formData.item">
			</div>
			<button type="submit" class="btn btn-primary btn-lg" ng-click="createItem()">Add</button>
		</form>
	</div>
</div>

main.js

$scope.createItem = function(){
  $http.post('/api/itens', $scope.formData)
    .success(function(data){
                $scope.formData = {};
                $scope.todos = data;
                console.log(data);
            })
            .error(function(data){
                console.log('Error: ' + data);
            });
  };