Paypal 无法列出协议 ID 的协议交易

Paypal unable to LIST AGREEMENT TRANSACTIONS for an agreement id

我正在使用 Paypal Rest API(计费计划和计费协议 API)在我的 PHP 应用程序中实施订阅支付。

所有 API 工作正常。只有 api 不起作用,才会用于搜索 2 个日期之间的交易以获取协议。

我检查了我的请求,它与官方 API 文档中的相同。 https://developer.paypal.com/docs/api/payments.billing-agreements#billing-agreements_transactions

我正在使用 PHP 和 cURL 调用 api,如下所示:

<?php
$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, "https://api.sandbox.paypal.com/v1/payments/billing-agreements/<Agreement-id>/transaction?start_date=2017-06-15&end_date=2017-06-17");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, "{}");
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");

$headers = array();
$headers[] = "Content-Type: application/json";
$headers[] = "Authorization: Bearer <My-Access-Token>";
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

$result = curl_exec($ch);
curl_close ($ch);
echo '<pre>';
print_r($result);
?>

总是收到这样的回复:

{
   name: "MALFORMED_REQUEST",
   message: "The requested resource was not found",
   information_link: "https://developer.paypal.com/webapps/developer/docs/api/#MALFORMED_REQUEST",
   debug_id: "4cf777ecda3b"
}

请帮忙,

所以我发现了问题所在,它在 Paypal API 文档中,在 cURL 代码中我发现了这个:

样品申请

curl -v -X GET https://api.sandbox.paypal.com/v1/payments/billing-agreements/I-1TJ3GAGG82Y9/transaction?start_date=2017-06-15&end_date=2017-06-17 \
-H "Content-Type:application/json" \
-H "Authorization: Bearer Access-Token" \
-d '{}'

但是 cURL URL 应该是 https://api.sandbox.paypal.com/v1/payments/billing-agreements/I-1TJ3GAGG82Y9/transactions?start_date=2017-06-15&end_date=2017-06-17

/transaction/ 应该是复数 (/transactions/)。