TaobaoClient client = new DefaultTaobaoClient(url, appkey, secret);
TmallNrFulfillCancelReasonQueryRequest req = new TmallNrFulfillCancelReasonQueryRequest();
req.setSellerId(1231421L);
req.setMainOrderId(32432432532L);
TmallNrFulfillCancelReasonQueryResponse rsp = client.execute(req);
System.out.println(rsp.getBody());

ITopClient client = new DefaultTopClient(url, appkey, secret);
TmallNrFulfillCancelReasonQueryRequest req = new TmallNrFulfillCancelReasonQueryRequest();
req.SellerId = 1231421L;
req.MainOrderId = 32432432532L;
TmallNrFulfillCancelReasonQueryResponse rsp = client.Execute(req);
Console.WriteLine(rsp.Body);

$c = new TopClient;
$c->appkey = $appkey;
$c->secretKey = $secret;
$req = new TmallNrFulfillCancelReasonQueryRequest;
$req->setSellerId("1231421");
$req->setMainOrderId("32432432532");
$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.nr.fulfill.cancel.reason.query' \
-d 'partner_id=apidoc' \
-d 'sign=42DD149A37E1AA82C0C9AF5AA3803159' \
-d 'sign_method=hmac' \
-d 'timestamp=2025-05-08+19%3A50%3A13' \
-d 'v=2.0' \
-d 'main_order_id=32432432532' \
-d 'seller_id=1231421'

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

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

req.seller_id=1231421
req.main_order_id=32432432532
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.nr.fulfill.cancel.reason.query");
add_param(pRequest,"seller_id","1231421");
add_param(pRequest,"main_order_id","32432432532");
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.nr.fulfill.cancel.reason.query', {
	'seller_id':'1231421',
	'main_order_id':'32432432532'
}, function(error, response) {
	if (!error) console.log(response);
	else console.log(error);
})

<tmall_nr_fulfill_cancel_reason_query_response>
    <result>
        <result_data>result_data</result_data>
        <error_message>该订单当前状态下,履约单不支持取消</error_message>
        <error_code>FULFILL_NOT_SURPORT_CANCEL</error_code>
        <is_success>false</is_success>
    </result>
</tmall_nr_fulfill_cancel_reason_query_response>

{
    "tmall_nr_fulfill_cancel_reason_query_response":{
        "result":{
            "result_data":"result_data",
            "error_message":"该订单当前状态下,履约单不支持取消",
            "error_code":"FULFILL_NOT_SURPORT_CANCEL",
            "is_success":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"
	}
}