TaobaoClient client = new DefaultTaobaoClient(url, appkey, secret);
ItemCatpropsModificationGetRequest req = new ItemCatpropsModificationGetRequest();
req.setCategoryId(201552112L);
req.setItemId("100404974555");
req.setStartTime("20210420");
ItemCatpropsModificationGetResponse rsp = client.execute(req, sessionKey);
System.out.println(rsp.getBody());

ITopClient client = new DefaultTopClient(url, appkey, secret);
ItemCatpropsModificationGetRequest req = new ItemCatpropsModificationGetRequest();
req.CategoryId = 201552112L;
req.ItemId = "100404974555";
req.StartTime = "20210420";
ItemCatpropsModificationGetResponse rsp = client.Execute(req, sessionKey);
Console.WriteLine(rsp.Body);

$c = new TopClient;
$c->appkey = $appkey;
$c->secretKey = $secret;
$req = new ItemCatpropsModificationGetRequest;
$req->setCategoryId("201552112");
$req->setItemId("100404974555");
$req->setStartTime("20210420");
$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.item.catprops.modification.get' \
-d 'partner_id=apidoc' \
-d 'session=b5942399-9521-4b92-9f90-f1f50d4f5b76' \
-d 'sign=5E55A836613511F8B6D1F860B4DD38E7' \
-d 'sign_method=hmac' \
-d 'timestamp=2025-05-16+20%3A56%3A50' \
-d 'v=2.0' \
-d 'category_id=201552112' \
-d 'item_id=100404974555' \
-d 'start_time=20210420'

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

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

req.category_id=201552112
req.item_id="100404974555"
req.start_time="20210420"
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.item.catprops.modification.get");
add_param(pRequest,"category_id","201552112");
add_param(pRequest,"item_id","100404974555");
add_param(pRequest,"start_time","20210420");
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.item.catprops.modification.get', {
	'category_id':'201552112',
	'item_id':'100404974555',
	'start_time':'20210420'
}, function(error, response) {
	if (!error) console.log(response);
	else console.log(error);
})

<item_catprops_modification_get_response>
    <results>
        <props_modification_result>
            <property_id>250428190</property_id>
            <required>1</required>
            <multi_select>1</multi_select>
            <type>1</type>
            <ds>20210420</ds>
            <property_name>笔头类型</property_name>
        </props_modification_result>
    </results>
</item_catprops_modification_get_response>

{
    "item_catprops_modification_get_response":{
        "results":{
            "props_modification_result":[
                {
                    "property_id":250428190,
                    "required":1,
                    "multi_select":1,
                    "type":1,
                    "ds":"20210420",
                    "property_name":"笔头类型"
                }
            ]
        }
    }
}

<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"
	}
}