调用Wix REST API返回403错误的问题求助

我尝试通过Postman向Wix REST API发起GET请求，查询站点的博客文章，请求地址为：
https://www.wixapis.com/blog/v3/posts

已按照官方文档生成具备所需权限的API Key及Account ID，将API Key作为Authorization请求头，Account ID作为自定义请求头wix-account-id添加至请求中，但仍收到Wix的403禁止访问页面。

请求详情截图：

响应内容如下：

<!DOCTYPE html>
<!--
    

                            

  
  
            
-->
<html>

<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <meta name="robots" content="noindex">
    <title>403 Error: Forbidden | Wix.com</title>


    <script async
        src="https://static.parastorage.com/polyfill/v2/polyfill.min.js?features=default,es6,es7,es2017&amp;flags=gated&amp;unknown=polyfill&amp;rum=0">
    </script>
    <script src="https://static.parastorage.com/unpkg-semver/fedops-logger@5/fedops-logger.bundle.min.js"></script>
    <script>
        fedopsLogger.reportAppLoadStarted("classic-error-pages-statics");
    </script>
    <script src="https://static.parastorage.com/unpkg-semver/header-footer-provider/app.bundle.min.js"></script>
    <script crossorigin src="https://static.parastorage.com/unpkg/react@18.2.0/umd/react.production.min.js"></script>
    <script crossorigin src="https://static.parastorage.com/unpkg/react-dom@18.2.0/umd/react-dom.production.min.js">
    </script>

    <link rel="stylesheet" href="//static.parastorage.com/services/classic-error-pages-statics/1.76.0/app.min.css">

    <link rel="preload" as="font"
        href="https://static.parastorage.com/unpkg/@wix/wix-fonts@1.14.0/media/WixMadeforTextVF_W_Wght.8022447a.woff2"
        crossorigin>
    <link rel="preload" as="font"
        href="https://static.parastorage.com/unpkg/@wix/wix-fonts@1.14.0/media/WixMadeforDisplayVF_W_Wght.ab35e4df.woff2"
        crossorigin>
    <link rel="stylesheet" href="https://static.parastorage.com/unpkg/@wix/wix-fonts@1.14.0/madefor.min.css">
    <link rel="stylesheet" href="https://static.parastorage.com/unpkg/@wix/wix-fonts@1.14.0/madeforDisplay.min.css">

</head>

<body>
    <div id="root"></div>
    <script>
        window.__LOCALE__ = 'en';
    window.__ERROR_DATA__ = {
        staticsUrl: '//static.parastorage.com/services/classic-error-pages-statics/1.76.0/',
        baseDomain: 'wix.com',
        errorCode: '403',
        exceptionName: 'null',
        serverErrorCode: '-100',
        data: {},
        brand: 'wix',
        requestId: '************'
    };
    </script>
    <script src="//static.parastorage.com/services/classic-error-pages-statics/1.76.0/app.bundle.min.js"></script>
</body>

</html>

恳请有相关经验的人士提供解决建议。

内容的提问来源于stack exchange，提问作者Alster