couch-view.js

function (doc) {
  emit(doc._id, doc);
}

GET.cs

public async Task<List<Notification>> Get()
{
    var uriBuilder = GetCouchUrl();

    using (var client = new MyCouchClient(uriBuilder.Build()))
    {
        var notifications = await client.Views.QueryAsync<Notification>(new QueryViewRequest("notifications-doc", "all-notifications"));
        return notifications.Rows.Select(r => r.Value).ToList();
    }
}

GetCouchUrl.cs

private MyCouchUriBuilder GetCouchUrl()
{
	// assuming you're using cloudant
    return new MyCouchUriBuilder("https://[username].cloudant.com/")
        .SetDbName("notifications")
        .SetBasicCredentials("[usename]", "[password]");
}

Notification.cs

namespace CouchWebApi.Models
{
    public class Notification
    {
        public string Alert { get; set; }
        public int Count { get; set; }
    }
}

POST.cs

public async Task<Notification> Post(Notification notification)
{
    var uriBuilder = GetCouchUrl();

    using (var client = new MyCouchClient(uriBuilder.Build()))
    {
        var response = await client.Entities.PostAsync(notification);

        return response.Content;
    }
}