TaobaoClient client = new DefaultTaobaoClient(url, appkey, secret);
UserOpenuidGetbynickRequest req = new UserOpenuidGetbynickRequest();
req.setBuyerNicks("tesapo,kimvb2000");
UserOpenuidGetbynickResponse rsp = client.execute(req, sessionKey);
System.out.println(rsp.getBody());

ITopClient client = new DefaultTopClient(url, appkey, secret);
UserOpenuidGetbynickRequest req = new UserOpenuidGetbynickRequest();
req.BuyerNicks = "tesapo,kimvb2000";
UserOpenuidGetbynickResponse rsp = client.Execute(req, sessionKey);
Console.WriteLine(rsp.Body);

$c = new TopClient;
$c->appkey = $appkey;
$c->secretKey = $secret;
$req = new UserOpenuidGetbynickRequest;
$req->setBuyerNicks("tesapo,kimvb2000");
$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.user.openuid.getbynick' \
-d 'partner_id=apidoc' \
-d 'session=61af211f-671c-4b44-bf55-f4e061d66b43' \
-d 'sign=A19DABAC4741C7EE4D5EBBC4FE97C8D8' \
-d 'sign_method=hmac' \
-d 'timestamp=2025-05-10+03%3A03%3A22' \
-d 'v=2.0' \
-d 'buyer_nicks=tesapo%2Ckimvb2000'

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

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

req.buyer_nicks="tesapo,kimvb2000"
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.user.openuid.getbynick");
add_param(pRequest,"buyer_nicks","tesapo,kimvb2000");
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.user.openuid.getbynick', {
	'buyer_nicks':'tesapo,kimvb2000'
}, function(error, response) {
	if (!error) console.log(response);
	else console.log(error);
})

<user_openuid_getbynick_response>
    <open_uids>
        <open_uid_info>
            <buyer_open_uid>sfhksSGJdnk=OY</buyer_open_uid>
            <buyer_nick>tesapo</buyer_nick>
        </open_uid_info>
    </open_uids>
</user_openuid_getbynick_response>

{
    "user_openuid_getbynick_response":{
        "open_uids":{
            "open_uid_info":[
                {
                    "buyer_open_uid":"sfhksSGJdnk=OY",
                    "buyer_nick":"tesapo"
                }
            ]
        }
    }
}

<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"
	}
}