Professional WebApi Part 1 - WebApi bootstrap without any bloat using Owin

Startup.cs

public class Startup
{
  public void Configuration(IAppBuilder app)
  {
    var config = new HttpConfiguration();
            
    var jsonSerializerSettings = config.Formatters.JsonFormatter.SerializerSettings;

    //Remove unix epoch date handling, in favor of ISO
    jsonSerializerSettings.Converters.Add(new IsoDateTimeConverter { DateTimeFormat = "yyyy'-'MM'-'dd'T'HH':'mm':'ss.fff" });

    //Remove nulls from payload and save bytes
    jsonSerializerSettings.NullValueHandling = NullValueHandling.Ignore;
    
    // Make json output camelCase
    jsonSerializerSettings.ContractResolver = new CamelCasePropertyNamesContractResolver();
    
    // Remove xml this will make json the default and your life easier (unless you really need to support xml)
    config.Formatters.XmlFormatter.SupportedMediaTypes.Remove(config.Formatters.XmlFormatter.SupportedMediaTypes.FirstOrDefault(t => t.MediaType == "text/xml"));
    config.Formatters.XmlFormatter.SupportedMediaTypes.Remove(config.Formatters.XmlFormatter.SupportedMediaTypes.FirstOrDefault(t => t.MediaType == "application/xml"));

    // Attribute routing
    config.MapHttpAttributeRoutes();

    // WebApi
    app.UseWebApi(config);
  }
}