TaobaoClient client = new DefaultTaobaoClient(url, appkey, secret);
AlibabaAlscUnionElemeCouponOrderPayRequest req = new AlibabaAlscUnionElemeCouponOrderPayRequest();
AlibabaAlscUnionElemeCouponOrderPayRequest.CouponOrderPayDto obj1 = new AlibabaAlscUnionElemeCouponOrderPayRequest.CouponOrderPayDto();
obj1.setOuterOrderId("20744341512655");
obj1.setBizOrderId("2394822");
req.setOrderPayDto(obj1);
AlibabaAlscUnionElemeCouponOrderPayResponse rsp = client.execute(req, sessionKey);
System.out.println(rsp.getBody());

ITopClient client = new DefaultTopClient(url, appkey, secret);
AlibabaAlscUnionElemeCouponOrderPayRequest req = new AlibabaAlscUnionElemeCouponOrderPayRequest();
AlibabaAlscUnionElemeCouponOrderPayRequest.CouponOrderPayDtoDomain obj1 = new AlibabaAlscUnionElemeCouponOrderPayRequest.CouponOrderPayDtoDomain();
obj1.OuterOrderId = "20744341512655";
obj1.BizOrderId = "2394822";
req.OrderPayDto_ = obj1;
AlibabaAlscUnionElemeCouponOrderPayResponse rsp = client.Execute(req, sessionKey);
Console.WriteLine(rsp.Body);

$c = new TopClient;
$c->appkey = $appkey;
$c->secretKey = $secret;
$req = new AlibabaAlscUnionElemeCouponOrderPayRequest;
$order_pay_dto = new CouponOrderPayDto;
$order_pay_dto->outer_order_id="20744341512655";
$order_pay_dto->biz_order_id="2394822";
$req->setOrderPayDto(json_encode($order_pay_dto));
$resp = $c->execute($req, $sessionKey);

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=alibaba.alsc.union.eleme.coupon.order.pay' \
-d 'partner_id=apidoc' \
-d 'session=3b43b38d-a28f-40a9-b14d-35ac03315ae0' \
-d 'sign=C9C472B028F32477ABBD1F5F5F823640' \
-d 'sign_method=hmac' \
-d 'timestamp=2025-05-02+12%3A42%3A30' \
-d 'v=2.0' \
-d 'order_pay_dto=null'

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

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

req.order_pay_dto="数据结构示例JSON格式"
try:
	resp= req.getResponse(sessionkey)
	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,"alibaba.alsc.union.eleme.coupon.order.pay");
add_param(pRequest,"order_pay_dto","数据结构JSON示例");
pResponse = top_execute(pClient,pRequest,sessionKey);
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('alibaba.alsc.union.eleme.coupon.order.pay', {
	'order_pay_dto':'数据结构JSON示例'
}, function(error, response) {
	if (!error) console.log(response);
	else console.log(error);
})

<alibaba_alsc_union_eleme_coupon_order_pay_response>
    <data>
        <outer_order_id>98322203</outer_order_id>
        <biz_order_id>459230223</biz_order_id>
        <order_status>SUCCESS</order_status>
    </data>
    <result_code>1</result_code>
    <message>success</message>
</alibaba_alsc_union_eleme_coupon_order_pay_response>

{
    "alibaba_alsc_union_eleme_coupon_order_pay_response":{
        "data":{
            "outer_order_id":"98322203",
            "biz_order_id":"459230223",
            "order_status":"SUCCESS"
        },
        "result_code":"1",
        "message":"success"
    }
}

<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"
	}
}