TaobaoClient client = new DefaultTaobaoClient(url, appkey, secret);
AlitripFlightExternalAlipaySnQueryRequest req = new AlitripFlightExternalAlipaySnQueryRequest();
AlitripFlightExternalAlipaySnQueryRequest.AlipayQueryCertSnReq obj1 = new AlitripFlightExternalAlipaySnQueryRequest.AlipayQueryCertSnReq();
obj1.setExternalAppletBizCode("shanxing");
obj1.setSignType("RSA2");
req.setAlipayQueryCertSnReq(obj1);
AlitripFlightExternalAlipaySnQueryResponse rsp = client.execute(req);
System.out.println(rsp.getBody());

ITopClient client = new DefaultTopClient(url, appkey, secret);
AlitripFlightExternalAlipaySnQueryRequest req = new AlitripFlightExternalAlipaySnQueryRequest();
AlitripFlightExternalAlipaySnQueryRequest.AlipayQueryCertSnReqDomain obj1 = new AlitripFlightExternalAlipaySnQueryRequest.AlipayQueryCertSnReqDomain();
obj1.ExternalAppletBizCode = "shanxing";
obj1.SignType = "RSA2";
req.AlipayQueryCertSnReq_ = obj1;
AlitripFlightExternalAlipaySnQueryResponse rsp = client.Execute(req);
Console.WriteLine(rsp.Body);

$c = new TopClient;
$c->appkey = $appkey;
$c->secretKey = $secret;
$req = new AlitripFlightExternalAlipaySnQueryRequest;
$alipay_query_cert_sn_req = new AlipayQueryCertSnReq;
$alipay_query_cert_sn_req->external_applet_biz_code="shanxing";
$alipay_query_cert_sn_req->sign_type="RSA2";
$req->setAlipayQueryCertSnReq(json_encode($alipay_query_cert_sn_req));
$resp = $c->execute($req);

curl -X POST 'http://gw.api.taobao.com/router/rest' \
-H 'Content-Type:application/x-www-form-urlencoded;charset=utf-8' \
-d 'app_key=12129701' \
-d 'format=json' \
-d 'method=alitrip.flight.external.alipay.sn.query' \
-d 'partner_id=apidoc' \
-d 'sign=C969602C4EA06352DC56A2FA487C7ABC' \
-d 'sign_method=hmac' \
-d 'timestamp=2025-05-04+14%3A21%3A38' \
-d 'v=2.0' \
-d 'alipay_query_cert_sn_req=null'

# -*- coding: utf-8 -*-
import top.api

req=top.api.AlitripFlightExternalAlipaySnQueryRequest(url,port)
req.set_app_info(top.appinfo(appkey,secret))

req.alipay_query_cert_sn_req="数据结构示例JSON格式"
try:
	resp= req.getResponse()
	print(resp)
except Exception,e:
	print(e)

pTopRequest pRequest = alloc_top_request();
pTopResponse pResponse = NULL;
pTaobaoClient pClient = alloc_taobao_client(url, appkey, appsecret);
set_api_name(pRequest,"alitrip.flight.external.alipay.sn.query");
add_param(pRequest,"alipay_query_cert_sn_req","数据结构JSON示例");
pResponse = top_execute(pClient,pRequest,NULL);
printf("ret code:%d\n",pResponse->code);
if(pResponse->code == 0){
	pTopResponseIterator ite = init_response_iterator(pResponse);
	pResultItem pResultItem = alloc_result_item();
	while(parseNext(ite, pResultItem) == 0){
		printf("%s:%s\n",pResultItem->key,pResultItem->value);
	}
	destroy_response_iterator(ite);
	destroy_result_item(pResultItem);
}
destroy_top_request(pRequest);
destroy_top_response(pResponse);
destroy_taobao_client(pClient);

TopClient = require('./topClient').TopClient;
var client = new TopClient({
	'appkey': 'appkey',
	'appsecret': 'secret',
	'REST_URL': 'http://gw.api.taobao.com/router/rest'
});

client.execute('alitrip.flight.external.alipay.sn.query', {
	'alipay_query_cert_sn_req':'数据结构JSON示例'
}, function(error, response) {
	if (!error) console.log(response);
	else console.log(error);
})

<alitrip_flight_external_alipay_sn_query_response>
    <result>
        <app_cert_sn>******</app_cert_sn>
        <alipay_cert_sn>******</alipay_cert_sn>
        <alipay_root_cert_sn>******</alipay_root_cert_sn>
    </result>
    <is_success>true</is_success>
    <error_msg>err_msg_0</error_msg>
</alitrip_flight_external_alipay_sn_query_response>

{
    "alitrip_flight_external_alipay_sn_query_response":{
        "result":{
            "app_cert_sn":"******",
            "alipay_cert_sn":"******",
            "alipay_root_cert_sn":"******"
        },
        "is_success":true,
        "error_msg":"err_msg_0"
    }
}

<error_response>
    <code>50</code>
    <msg>Remote service error</msg>
    <sub_code>isv.invalid-parameter</sub_code>
    <sub_msg>非法参数</sub_msg>
</error_response>

{
	"error_response":{
		"msg":"Remote service error",
		"code":50,
		"sub_msg":"非法参数",
		"sub_code":"isv.invalid-parameter"
	}
}