一、什么是VIN码识别解析接口？

VIN码不仅是车辆的“身份证”，更是连接制造、销售、维修、保险、金融等多个环节的数字纽带。而VIN码查询API，正是打通这一链条的关键工具。
无论是汽车电商平台、二手车商、维修厂，还是保险公司、金融机构，都能通过接入该API实现信息自动化、决策智能化和服务标准化。

二、如何用C#进行调用？

下面我们以阿里云的接口为例，具体代码示例如下：

接口地址：https://market.aliyun.com/apimarket/detail/cmapi00065864
//using System.IO;
//using System.Text;
//using System.Net;
//using System.Net.Security;
//using System.Security.Cryptography.X509Certificates;

        private const String host = "https://tsvin.market.alicloudapi.com";
        private const String path = "/vin/index";
        private const String method = "GET";
        private const String appcode = "你自己的AppCode";

        static void Main(string[] args)
        {
            String querys = "vin=LSJA24U64MS039980";
            String bodys = "";
            String url = host + path;
            HttpWebRequest httpRequest = null;
            HttpWebResponse httpResponse = null;

            if (0 < querys.Length)
            {
                url = url + "?" + querys;
            }

            if (host.Contains("https://"))
            {
                ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
                httpRequest = (HttpWebRequest)WebRequest.CreateDefault(new Uri(url));
            }
            else
            {
                httpRequest = (HttpWebRequest)WebRequest.Create(url);
            }
            httpRequest.Method = method;
            httpRequest.Headers.Add("Authorization", "APPCODE " + appcode);
            if (0 < bodys.Length)
            {
                byte[] data = Encoding.UTF8.GetBytes(bodys);
                using (Stream stream = httpRequest.GetRequestStream())
                {
                    stream.Write(data, 0, data.Length);
                }
            }
            try
            {
                httpResponse = (HttpWebResponse)httpRequest.GetResponse();
            }
            catch (WebException ex)
            {
                httpResponse = (HttpWebResponse)ex.Response;
            }

            Console.WriteLine(httpResponse.StatusCode);
            Console.WriteLine(httpResponse.Method);
            Console.WriteLine(httpResponse.Headers);
            Stream st = httpResponse.GetResponseStream();
            StreamReader reader = new StreamReader(st, Encoding.GetEncoding("utf-8"));
            Console.WriteLine(reader.ReadToEnd());
            Console.WriteLine("\n");

        }

        public static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
        {
            return true;
        }

返回结果如下：

{
  "code": 1,
  "msg": "操作成功",
  "data": {
    "vin": "LSJA24U64MS039980",
    "matching_mode": 1,
    "is_commercial": 0,
    "is_import": 0,
    "is_rules": 1,
    "cid": "50147",
    "brand_name": "荣威",
    "manufacturer": "上汽集团",
    "series_name": "荣威RX5",
    "name": "2021款 PLUS 330TGI 自动国潮智臻版",
    "year": "2021",
    "img": "http://static.tanshuapi.com/car/202426/17215774571d2839.jpg",
    "price": "13.08万",
    "market_price": "13.08万",
    "gearbox": "7挡湿式双离合",
    "gearnum": "7",
    "geartype": "湿式双离合变速箱(DCT)",
    "engine_model": "15C4E",
    "driven_type": "前置前驱",
    "displacement_ml": "1490",
    "displacement": "1.5",
    "nedczhyh": "6.9",
    "effluent_standard": "国VI",
    "scale": "紧凑型SUV",
    "csjg": "SUV",
    "cms": "5",
    "zws": "5",
    "market_date": "2021.07",
    "stop_date": "",
    "length": "4571",
    "width": "1855",
    "high": "1719",
    "wheelbase": "2708",
    "trackfront": "1574",
    "trackrear": "1593",
    "full_weight": "1539",
    "full_weight_max": "1972",
    "full_weight_zz": "",
    "front_tyre_size": "235/45 R19",
    "rear_tyre_size": "235/45 R19",
    "rlxs": "汽油",
    "ryxh": "92号",
    "gearbox_number": "",
    "chassis_number": "",
    "zdgl": "133",
    "zdml": "181",
    "front_brake_type": "通风盘式",
    "rear_brake_type": "盘式",
    "parking_brake_type": "电子驻车",
    "qfs": "4",
    "gyfs": "直喷",
    "body_type": "承载式",
    "version": "自动国潮智臻版",
    "model_list": [
      {
        "cid": "50147",
        "brand_name": "荣威",
        "series_name": "荣威RX5",
        "name": "2021款 PLUS 330TGI 自动国潮智臻版"
      },
      {
        "cid": "50146",
        "brand_name": "荣威",
        "series_name": "荣威RX5",
        "name": "2021款 PLUS 330TGI 自动国潮智享版"
      },
      {
        "cid": "50154",
        "brand_name": "荣威",
        "series_name": "荣威RX5",
        "name": "2021款 PLUS 300TGI 自动Ali国潮豪华荣麟版"
      },
      {
        "cid": "50155",
        "brand_name": "荣威",
        "series_name": "荣威RX5",
        "name": "2021款 PLUS 300TGI 自动Ali国潮旗舰荣麟版"
      },
      {
        "cid": "50145",
        "brand_name": "荣威",
        "series_name": "荣威RX5",
        "name": "2021款 PLUS 330TGI 手动国潮智享版"
      },
      {
        "cid": "50151",
        "brand_name": "荣威",
        "series_name": "荣威RX5",
        "name": "2020款 20T 自动4G互联百万款"
      }
    ]
  }
}