TaobaoClient client = new DefaultTaobaoClient(url, appkey, secret);
AlibabaFpmOrderQuerypayinfobyreqnoRequest req = new AlibabaFpmOrderQuerypayinfobyreqnoRequest();
AlibabaFpmOrderQuerypayinfobyreqnoRequest.StringRequest obj1 = new AlibabaFpmOrderQuerypayinfobyreqnoRequest.StringRequest();
obj1.setAppCode("LEGAL_TRACKER");
obj1.setLanguage("US");
obj1.setUuid("uuid");
obj1.setOuterSystemSignStr("s");
obj1.setOuterSystemEncryptStr("s");
req.setBizDto(obj1);
AlibabaFpmOrderQuerypayinfobyreqnoResponse rsp = client.execute(req);
System.out.println(rsp.getBody());

ITopClient client = new DefaultTopClient(url, appkey, secret);
AlibabaFpmOrderQuerypayinfobyreqnoRequest req = new AlibabaFpmOrderQuerypayinfobyreqnoRequest();
AlibabaFpmOrderQuerypayinfobyreqnoRequest.StringRequestDomain obj1 = new AlibabaFpmOrderQuerypayinfobyreqnoRequest.StringRequestDomain();
obj1.AppCode = "LEGAL_TRACKER";
obj1.Language = "US";
obj1.Uuid = "uuid";
obj1.OuterSystemSignStr = "s";
obj1.OuterSystemEncryptStr = "s";
req.BizDto_ = obj1;
AlibabaFpmOrderQuerypayinfobyreqnoResponse rsp = client.Execute(req);
Console.WriteLine(rsp.Body);

$c = new TopClient;
$c->appkey = $appkey;
$c->secretKey = $secret;
$req = new AlibabaFpmOrderQuerypayinfobyreqnoRequest;
$biz_dto = new StringRequest;
$biz_dto->app_code="LEGAL_TRACKER";
$biz_dto->language="US";
$biz_dto->uuid="uuid";
$biz_dto->outer_system_sign_str="s";
$biz_dto->outer_system_encrypt_str="s";
$req->setBizDto(json_encode($biz_dto));
$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=alibaba.fpm.order.querypayinfobyreqno' \
-d 'partner_id=apidoc' \
-d 'sign=E7A0AC02180F718E88AC50A110AD8691' \
-d 'sign_method=hmac' \
-d 'timestamp=2025-05-23+18%3A02%3A43' \
-d 'v=2.0' \
-d 'biz_dto=null'

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

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

req.biz_dto=""
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,"alibaba.fpm.order.querypayinfobyreqno");
add_param(pRequest,"biz_dto","数据结构JSON示例");
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('alibaba.fpm.order.querypayinfobyreqno', {
	'biz_dto':'数据结构JSON示例'
}, function(error, response) {
	if (!error) console.log(response);
	else console.log(error);
})

<alibaba_fpm_order_querypayinfobyreqno_response>
    <result>
        <error_code>UNVALID_PARAM</error_code>
        <error_message>Biz request no must be not null</error_message>
        <return_value>
            <outer_system_encrypt_str>s</outer_system_encrypt_str>
            <outer_system_sign_str>s</outer_system_sign_str>
        </return_value>
        <success>true</success>
    </result>
</alibaba_fpm_order_querypayinfobyreqno_response>

{
    "alibaba_fpm_order_querypayinfobyreqno_response":{
        "result":{
            "error_code":"UNVALID_PARAM",
            "error_message":"Biz request no must be not null",
            "return_value":{
                "outer_system_encrypt_str":"s",
                "outer_system_sign_str":"s"
            },
            "success":true
        }
    }
}

<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"
	}
}