快递查询接口是指快递查询网对外开放的应用程序接口，开发人员能够通过调用该接口与快递查询网进行交互，并基于该接口开发自己的快递查询应用程序。
技术文档请参考快递鸟官网api：免费查询快递接口_100%安全保障_物流即时查询API-快递鸟
（一）接入流程：
1、登录快递鸟官网注册页面注册快递鸟账号
网址：快递单号查询接口_电子面单_APIKey授权申请-快递鸟账号注册
2、登录快递鸟用户管理后台
网址：用户登录_快递鸟API让物流接口对接更简单
接口说明
(1)、接口支持的消息接收方式为HTTP POST，请求方法的编码格式(utf-8)：“application/x-www-form-urlencoded;charset=utf-8”。
(2)、指定的物流运单号选择相应的快递公司编码，格式不对或则编码错误都会返失败的信息。如EMS物流单号应选择快递公司编码（EMS）
(3)、 API测试地址：http://testapi.kdniao.cc:8081/api/dist
(4)、API正式地址：http://api.kdniao.cc/api/dist
(5)、定时推送新的物流信息
(6)、接口秘钥申请：快递鸟（http://www.kdniao.com/reg）
JSON请求
{ "ShipperCode":"SF", "OrderCode":"SF201608081055208281", "LogisticCode":"3100707578976", "PayType":"1", "ExpType":"1", "CustomerName":"", "CustomerPwd":"", "MonthCode":"", "IsNotice":"0", "Sender":{ "Name":"1255760", "Tel":"", "Mobile":"13700000000", "ProvinceName":"广东省", "CityName":"深圳市", "ExpAreaName":"福田区", "Address":"测试地址" }, "Receiver":{ "Name":"1255760", "Tel":"", "Mobile":"13800000000", "ProvinceName":"广东省", "CityName":"深圳市", "ExpAreaName":"龙华新区", "Address":"测试地址2" }, "Commodity":[ { "GoodsName":"书本" } ]} java请求：
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.io.UnsupportedEncodingException;import java.net.HttpURLConnection;import java.net.URL;import java.net.URLEncoder;import java.util.HashMap;import java.util.Map;import java.security.MessageDigest; public class KdniaoSubscribeAPI { //DEMO public static void main(String[] args) { KdniaoSubscribeAPI api = new KdniaoSubscribeAPI(); try { String result = api.orderTracesSubByJson(); System.out.print(result); } catch (Exception e) { e.printStackTrace(); } } //电商ID private String EBusinessID="请到快递鸟官网申请"; //电商加密私钥，注意保管，不要泄漏 private String AppKey="请申请"; //测试请求url private String ReqURL = "http://testapi.kdniao.cc:8081/api/dist"; //正式请求url //private String ReqURL = "http://api.kdniao.cc/api/dist"; /** * Json方式 物流信息订阅 * @throws Exception */ public String orderTracesSubByJson() throws Exception{ String requestData="{'OrderCode': 'SF201608081055208281'," + "'ShipperCode':'SF'," + "'LogisticCode':'3100707578976'," + "'PayType':1," + "'ExpType':1," + "'CustomerName':'',"+ "'CustomerPwd':''," + "'MonthCode':''," + "'IsNotice':0," + "'Cost':1.0," + "'OtherCost':1.0," + "'Sender':" + "{" + "'Company':'LV','Name':'Taylor','Mobile':'15018442396','ProvinceName':'上海','CityName':'上海','ExpAreaName':'青浦区','Address':'明珠路73号'}," + "'Receiver':" + "{" + "'Company':'GCCUI','Name':'Yann','Mobile':'15018442396','ProvinceName':'北京','CityName':'北京','ExpAreaName':'朝阳区','Address':'三里屯街道雅秀大厦'}," + "'Commodity':" + "[{" + "'GoodsName':'鞋子','Goodsquantity':1,'GoodsWeight':1.0}]," + "'Weight':1.0," + "'Quantity':1," + "'Volume':0.0," + "'Remark':'小心轻放'}"; Map<String, String> params = new HashMap<String, String>(); params.put("RequestData", urlEncoder(requestData, "UTF-8")); params.put("EBusinessID", EBusinessID); params.put("RequestType", "1008"); String dataSign=encrypt(requestData, AppKey, "UTF-8"); params.put("DataSign", urlEncoder(dataSign, "UTF-8")); params.put("DataType", "2"); String result=sendPost(ReqURL, params); //根据公司业务处理返回的信息...... return result; } /** * MD5加密 * @param str 内容 * @param charset 编码方式 * @throws Exception */ @SuppressWarnings("unused") private String MD5(String str, String charset) throws Exception { MessageDigest md = MessageDigest.getInstance("MD5"); md.update(str.getBytes(charset)); byte[] result = md.digest(); StringBuffer sb = new StringBuffer(32); for (int i = 0; i < result.length; i++) { int val = result[i] & 0xff; if (val <= 0xf) { sb.append("0"); } sb.append(Integer.toHexString(val)); } return sb.toString().toLowerCase(); } /** * base64编码 * @param str 内容 * @param charset 编码方式 * @throws UnsupportedEncodingException */ private String base64(String str, String charset) throws UnsupportedEncodingException{ String encoded = base64Encode(str.getBytes(charset)); return encoded; } @SuppressWarnings("unused") private String urlEncoder(String str, String charset) throws UnsupportedEncodingException{ String result = URLEncoder.encode(str, charset); return result; } /** * 电商Sign签名生成 * @param content 内容 * @param keyValue Appkey * @param charset 编码方式 * @throws UnsupportedEncodingException ,Exception * @return DataSign签名 */ @SuppressWarnings("unused") private String encrypt (String content, String keyValue, String charset) throws UnsupportedEncodingException, Exception { if (keyValue != null) { return base64(MD5(content + keyValue, charset), charset); } return base64(MD5(content, charset), charset); } /** * 向指定 URL 发送POST方法的请求 * @param url 发送请求的 URL * @param params 请求的参数集合 * @return 远程资源的响应结果 */ @SuppressWarnings("unused") private String sendPost(String url, Map<String, String> params) { OutputStreamWriter out = null; BufferedReader in = null; StringBuilder result = new StringBuilder(); try { URL realUrl = new URL(url); HttpURLConnection conn =(HttpURLConnection) realUrl.openConnection(); // 发送POST请求必须设置如下两行 conn.setDoOutput(true); conn.setDoInput(true); // POST方法 conn.setRequestMethod("POST"); // 设置通用的请求属性 conn.setRequestProperty("accept", "*/*"); conn.setRequestProperty("connection", "Keep-Alive"); conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); conn.connect(); // 获取URLConnection对象对应的输出流 out = new OutputStreamWriter(conn.getOutputStream(), "UTF-8"); // 发送请求参数 if (params != null) { StringBuilder param = new StringBuilder(); for (Map.Entry<String, String> entry : params.entrySet()) { if(param.length()>0){ param.append("&"); } param.append(entry.getKey()); param.append("="); param.append(entry.getValue()); System.out.println(entry.getKey()+":"+entry.getValue()); } System.out.println("param:"+param.toString()); out.write(param.toString()); } // flush输出流的缓冲 out.flush(); // 定义BufferedReader输入流来读取URL的响应 in = new BufferedReader( new InputStreamReader(conn.getInputStream(), "UTF-8")); String line; while ((line = in.readLine()) != null) { result.append(line); } } catch (Exception e) { e.printStackTrace(); } //使用finally块来关闭输出流、输入流 finally{ try{ if(out!=null){ out.close(); } if(in!=null){ in.close(); } } catch(IOException ex){ ex.printStackTrace(); } } return result.toString(); } private static char[] base64EncodeChars = new char[] { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/' }; public static String base64Encode(byte[] data) { StringBuffer sb = new StringBuffer(); int len = data.length; int i = 0; int b1, b2, b3; while (i < len) { b1 = data[i++] & 0xff; if (i == len) { sb.append(base64EncodeChars[b1 >>> 2]); sb.append(base64EncodeChars[(b1 & 0x3) << 4]); sb.append("=="); break; } b2 = data[i++] & 0xff; if (i == len) { sb.append(base64EncodeChars[b1 >>> 2]); sb.append(base64EncodeChars[((b1 & 0x03) << 4) | ((b2 & 0xf0) >>> 4)]); sb.append(base64EncodeChars[(b2 & 0x0f) << 2]); sb.append("="); break; } b3 = data[i++] & 0xff; sb.append(base64EncodeChars[b1 >>> 2]); sb.append(base64EncodeChars[((b1 & 0x03) << 4) | ((b2 & 0xf0) >>> 4)]); sb.append(base64EncodeChars[((b2 & 0x0f) << 2) | ((b3 & 0xc0) >>> 6)]); sb.append(base64EncodeChars[b3 & 0x3f]); } return sb.toString(); }}