TaobaoClient client = new DefaultTaobaoClient(url, appkey, secret);
TradeSupportRefundOpenRequest req = new TradeSupportRefundOpenRequest();
req.setOid(4287601622087414123L);
req.setTid(4287601622086414123L);
TradeSupportRefundOpenResponse rsp = client.execute(req, sessionKey);
System.out.println(rsp.getBody());

ITopClient client = new DefaultTopClient(url, appkey, secret);
TradeSupportRefundOpenRequest req = new TradeSupportRefundOpenRequest();
req.Oid = 4287601622087414123L;
req.Tid = 4287601622086414123L;
TradeSupportRefundOpenResponse rsp = client.Execute(req, sessionKey);
Console.WriteLine(rsp.Body);

$c = new TopClient;
$c->appkey = $appkey;
$c->secretKey = $secret;
$req = new TradeSupportRefundOpenRequest;
$req->setOid("4287601622087414123");
$req->setTid("4287601622086414123");
$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.trade.support.refund.open' \
-d 'partner_id=apidoc' \
-d 'session=aab72300-65e2-4cf7-a077-f52efb8398ad' \
-d 'sign=AE698ED38FD0E449CBF1E7573EFF39B6' \
-d 'sign_method=hmac' \
-d 'timestamp=2025-04-25+20%3A15%3A25' \
-d 'v=2.0' \
-d 'oid=4287601622087414123' \
-d 'tid=4287601622086414123'

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

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

req.oid=4287601622087414123
req.tid=4287601622086414123
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.trade.support.refund.open");
add_param(pRequest,"oid","4287601622087414123");
add_param(pRequest,"tid","4287601622086414123");
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.trade.support.refund.open', {
	'oid':'4287601622087414123',
	'tid':'4287601622086414123'
}, function(error, response) {
	if (!error) console.log(response);
	else console.log(error);
})

<trade_support_refund_open_response>
    <tid>4287601622086414123</tid>
    <oid>4287601622087414123</oid>
    <operation_time>2025-04-01 12:00:00</operation_time>
    <remark>订单已经打开过退定金入口</remark>
</trade_support_refund_open_response>

{
    "trade_support_refund_open_response":{
        "tid":"4287601622086414123",
        "oid":"4287601622087414123",
        "operation_time":"2025-04-01 12:00:00",
        "remark":"订单已经打开过退定金入口"
    }
}

<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"
	}
}