TaobaoClient client = new DefaultTaobaoClient(url, appkey, secret);
WlbItemCombinationGetRequest req = new WlbItemCombinationGetRequest();
req.setItemId(123456L);
WlbItemCombinationGetResponse rsp = client.execute(req, sessionKey);
System.out.println(rsp.getBody());

ITopClient client = new DefaultTopClient(url, appkey, secret);
WlbItemCombinationGetRequest req = new WlbItemCombinationGetRequest();
req.ItemId = 123456L;
WlbItemCombinationGetResponse rsp = client.Execute(req, sessionKey);
Console.WriteLine(rsp.Body);

$c = new TopClient;
$c->appkey = $appkey;
$c->secretKey = $secret;
$req = new WlbItemCombinationGetRequest;
$req->setItemId("123456");
$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=taobao.wlb.item.combination.get' \
-d 'partner_id=apidoc' \
-d 'session=3890ac53-d712-4b75-88bc-a7accb469d9f' \
-d 'sign=842290BA169657BDEC769D0A9BFFB638' \
-d 'sign_method=hmac' \
-d 'timestamp=2025-04-25+18%3A29%3A42' \
-d 'v=2.0' \
-d 'item_id=123456'

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

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

req.item_id=123456
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,"taobao.wlb.item.combination.get");
add_param(pRequest,"item_id","123456");
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('taobao.wlb.item.combination.get', {
	'item_id':'123456'
}, function(error, response) {
	if (!error) console.log(response);
	else console.log(error);
})

<wlb_item_combination_get_response>
    <item_id_list>
        <number>123</number>
    </item_id_list>
</wlb_item_combination_get_response>

{
    "wlb_item_combination_get_response":{
        "item_id_list":{
            "number":[
                123
            ]
        }
    }
}

<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"
	}
}