using System;
using System.Net.Http;
using System.Threading.Tasks;

class Program {
    static async Task Main() {
        using var client = new HttpClient();
        client.DefaultRequestHeaders.Add("SHABANIC-API-KEY", "کلید API دریافتی از شبانیک را اینجا قرار دهید");
        var response = await client.PostAsync("https://shabanic.ir/api/v1/shahab?birthDate=1366%2F04%2F01&nationalCode=0829940049&identityNo=27", null);
        string responseBody = await response.Content.ReadAsStringAsync();
        Console.WriteLine(responseBody);
    }
}