AngularJS API call error with $http GET

I'm trying to create a simple app using Angular that will consume my API. I'm using a VM to run the code, and I access it on my computer, so to call the API from my machine I can use cURL or any other HTTP client and everything works. An example:

curl -k --user [email protected]:password https://api.my.domain.com/v1/traveler/get

And that would return a list of travelers for example. I need to "trust" the certificate as it is not valid. So on the browser at first the call would return net::ERR_INSECURE_RESPONSE, so I'm just going to the API URL and add the exception and now I don't have this issue anymore. Then I had to add basic authentication, and it seems to work. Let's see what is my code and please let me know if you see anything wrong, I'm following this tutorial that consume an external API: http://www.toptal.com/angular-js/a-step-by-step-guide-to-your-first-angularjs-app

app.js:

angular.module('TravelerApp', [
    'TravelerApp.controllers',
    'TravelerApp.services'
]);

services.js:

angular.module('TravelerApp.services', [])
.factory('TravelerAPIService', function($http) {
    var travelerAPI = {};

    $http.defaults.headers.common.Authorization = 'Basic ABC743HFEd...=';

    travelerAPI.getTravelers = function() {
        return $http({
            method: 'GET',
            url: 'https://api.my.domain.com/v1/traveler/get'
        });
    }

    return travelerAPI;
});

Finally, the controllers.js:

angular.module('TravelerApp.controllers', [])
.controller('travelersController', function($scope, TravelerAPIService) {
    $scope.travelersList = [];

    TravelerAPIService.getTravelers()
    .success(function(data) {
        console.log('SUCCESS');
        $scope.travelersList = data;
    })
    .error(function(data, status) {
        console.log('ERROR');
        $scope.data = data || "Request failed";
        $scope.status = status;
    });
});

The error status code is 0, and the error data is an empty string.