TaobaoClient client = new DefaultTaobaoClient(url, appkey, secret);
TmallFinCarOpenLoanStartRequest req = new TmallFinCarOpenLoanStartRequest();
TmallFinCarOpenLoanStartRequest.LoanStartRequestTop obj1 = new TmallFinCarOpenLoanStartRequest.LoanStartRequestTop();
obj1.setCustomerType("ALI");
obj1.setCustomerId("123");
obj1.setBizType("TMALL_CAR");
obj1.setBizNo("123");
obj1.setEventTime(StringUtils.parseDateTime("2019-09-23 12:33:09"));
obj1.setRequestNo("123");
obj1.setExtendInfo("{}");
obj1.setChannel("DS_APP");
obj1.setAction("LOANING");
req.setLoanStartRequest(obj1);
TmallFinCarOpenLoanStartResponse rsp = client.execute(req);
System.out.println(rsp.getBody());

ITopClient client = new DefaultTopClient(url, appkey, secret);
TmallFinCarOpenLoanStartRequest req = new TmallFinCarOpenLoanStartRequest();
TmallFinCarOpenLoanStartRequest.LoanStartRequestTopDomain obj1 = new TmallFinCarOpenLoanStartRequest.LoanStartRequestTopDomain();
obj1.CustomerType = "ALI";
obj1.CustomerId = "123";
obj1.BizType = "TMALL_CAR";
obj1.BizNo = "123";
obj1.EventTime = DateTime.Parse(2019-09-23 12:33:09");
obj1.RequestNo = "123";
obj1.ExtendInfo = "{}";
obj1.Channel = "DS_APP";
obj1.Action = "LOANING";
req.LoanStartRequest_ = obj1;
TmallFinCarOpenLoanStartResponse rsp = client.Execute(req);
Console.WriteLine(rsp.Body);

$c = new TopClient;
$c->appkey = $appkey;
$c->secretKey = $secret;
$req = new TmallFinCarOpenLoanStartRequest;
$loan_start_request = new LoanStartRequestTop;
$loan_start_request->customer_type="ALI";
$loan_start_request->customer_id="123";
$loan_start_request->biz_type="TMALL_CAR";
$loan_start_request->biz_no="123";
$loan_start_request->event_time="2019-09-23 12:33:09";
$loan_start_request->request_no="123";
$loan_start_request->extend_info="{}";
$loan_start_request->channel="DS_APP";
$loan_start_request->action="LOANING";
$req->setLoanStartRequest(json_encode($loan_start_request));
$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=tmall.fin.car.open.loan.start' \
-d 'partner_id=apidoc' \
-d 'sign=4FFA11C07DFD109D3A05F55D1E50179B' \
-d 'sign_method=hmac' \
-d 'timestamp=2025-07-13+20%3A11%3A27' \
-d 'v=2.0' \
-d 'loan_start_request=null'

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

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

req.loan_start_request=""
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,"tmall.fin.car.open.loan.start");
add_param(pRequest,"loan_start_request","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('tmall.fin.car.open.loan.start', {
	'loan_start_request':'数据结构JSON示例'
}, function(error, response) {
	if (!error) console.log(response);
	else console.log(error);
})

<tmall_fin_car_open_loan_start_response>
    <result>
        <message>校验错误</message>
        <success>true</success>
        <code>10000</code>
        <retry>false</retry>
    </result>
</tmall_fin_car_open_loan_start_response>

{
    "tmall_fin_car_open_loan_start_response":{
        "result":{
            "message":"校验错误",
            "success":true,
            "code":"10000",
            "retry":false
        }
    }
}

<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"
	}
}