NuGet API, get download count per version

Program.cs

// All you need is the NuGet.Protocol package from NuGet.org.
using System;
using System.Threading;
using System.Threading.Tasks;
using NuGet.Common;
using NuGet.Protocol;
using NuGet.Protocol.Core.Types;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            MainAsync().GetAwaiter().GetResult();
        }

        static async Task MainAsync()
        {
            var sourceRepository = Repository.Factory.GetCoreV3("https://api.nuget.org/v3/index.json");
            var search = await sourceRepository.GetResourceAsync<RawSearchResourceV3>();
            var results = await search.Search(
                "packageid:Newtonsoft.Json",
                new SearchFilter(includePrerelease: true),
                skip: 0,
                take: 1,
                log: NullLogger.Instance,
                cancellationToken: CancellationToken.None);

            foreach (var result in results)
            {
                foreach (var version in result["versions"])
                {
                    Console.WriteLine($"{version["version"]} {version["downloads"]}");
                }
            }
        }
    }
}