Retrieve page views from Universal Analytics property

Program.cs

using System;
using System.Security.Cryptography.X509Certificates;
using System.Threading.Tasks;
using Google.Apis.Analytics.v3;
using Google.Apis.Auth.OAuth2;
using Google.Apis.Services;

namespace GoogleUATest
{
    class Program
    {
        static async Task Main(string[] args)
        {
            var credentials = PrepareCredentials();
            var analyticsService = CreateAnalyticsService(credentials);

            // modify this by your own needs
            var startDate = "2020-10-18";
            var endDate = "2021-09-25";
            var metric = "ga:pageViews";
            var profileId = "ga:123456";

            // send the request for the page views
            var getRequest = analyticsService.Data.Ga.Get(profileId, startDate, endDate, metric);
            var pageViewsResponse = await getRequest.ExecuteAsync();

            var views = pageViewsResponse.Rows[0][0];
            Console.WriteLine($"There are {views} views in the past year");
        }

        private static AnalyticsService CreateAnalyticsService(ServiceAccountCredential credentials)
        {
            return new AnalyticsService(new BaseClientService.Initializer()
            {
                HttpClientInitializer = credentials,
                ApplicationName = "WorthlessVariable"
            });
        }

        private static ServiceAccountCredential PrepareCredentials()
        {
            var certificatePath = "d:\\googlecert.p12";
            var certificatePassword = "notasecret";
            var accountEmailAddress = "youruser@yourapp.iam.gserviceaccount.com";

            var certificate = new X509Certificate2(certificatePath, certificatePassword, X509KeyStorageFlags.Exportable);

            var initializer = new ServiceAccountCredential.Initializer(accountEmailAddress)
            {
                Scopes = new[] {AnalyticsService.Scope.AnalyticsReadonly}
            };
            var credentials = new ServiceAccountCredential(
                initializer.FromCertificate(certificate));
            return credentials;
        }
    }
}