asp.net调用php接口

<?php
header('Content-Type: application/json');

$data = json_decode(file_get_contents('php://input'), true);

if (isset($data['name'])) {
    $response = [
        'status' => 'success',
        'message' => 'Hello, ' . $data['name'] . '!'
    ];
} else {
    $response = [
        'status' => 'error',
        'message' => 'Name is required'
    ];
}

echo json_encode($response);
?>

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

public class Program
{
    public static async Task Main(string[] args)
    {
        using (var client = new HttpClient())
        {
            var data = new { name = "World" };
            var content = new StringContent(JsonConvert.SerializeObject(data), System.Text.Encoding.UTF8, "application/json");

            var response = await client.PostAsync("http://example.com/api.php", content);
            response.EnsureSuccessStatusCode();

            var responseBody = await response.Content.ReadAsStringAsync();
            var result = JsonConvert.DeserializeObject<dynamic>(responseBody);

            Console.WriteLine(result.message);
        }
    }
}