diff --git a/src/pages/apis/index.md b/src/pages/apis/index.md
index 1e5df79d7..3ec933c89 100644
--- a/src/pages/apis/index.md
+++ b/src/pages/apis/index.md
@@ -1,5 +1,5 @@
 ---
 title: Adobe PDF Services Open API spec
 description: The OpenAPI spec for Adobe PDF Services API endpoints, parameters, and responses.
-openAPISpec: https://raw.githubusercontent.com/AdobeDocs/pdfservices-api-documentation/main/src/pages/resources/openapi.json
+openAPISpec: https://raw.githubusercontent.com/AdobeDocs/pdfservices-api-documentation/html2pdf-change-develop/src/pages/resources/openapi.json
 ---
diff --git a/src/pages/overview/pdf-services-api/howtos/create-pdf.md b/src/pages/overview/pdf-services-api/howtos/create-pdf.md
index 1035248c6..19707b59b 100644
--- a/src/pages/overview/pdf-services-api/howtos/create-pdf.md
+++ b/src/pages/overview/pdf-services-api/howtos/create-pdf.md
@@ -30,6 +30,10 @@ following formats:
 If a Microsoft Word/PowerPoint input file has an embedded TrueType font, the output pdf will also contain the same embedded TrueType font.
 For more information, refer [Benefits of embedding custom fonts](https://support.microsoft.com/en-us/office/benefits-of-embedding-custom-fonts-cb3982aa-ea76-4323-b008-86670f222dbc#OfficeVersion=Windows).
 
+<InlineAlert slots="text"/>
+
+We have implemented a new security validation for HTML to PDF conversion for requests containing urls where:<br/>1. The URL Scheme is not HTTPS.<br/>2. The hostname resolves to a non-routable IP address. This encompasses scenarios where redirects lead to non-routable IP addresses as well.
+
 Please refer the [API usage guide](../api-usage.md) to understand how to use our APIs.
 
 <CodeBlock slots="heading, code" repeat="5" languages="Java, .NET, Node JS, Python, REST API" /> 
diff --git a/src/pages/resources/openapi.json b/src/pages/resources/openapi.json
index 622035ae0..eb639d47b 100644
--- a/src/pages/resources/openapi.json
+++ b/src/pages/resources/openapi.json
@@ -2079,7 +2079,7 @@
           "Html to PDF"
         ],
         "summary": "Convert HTML Resources to a PDF File",
-        "description": "Creates PDFs from static/dynamic HTML or HTML(with inline CSS) or just a URL. It's a common scenario for enterprise to provide end users with a HTML template with form fields. In case of dynamic HTML this API allows you to capture the users unique data entries and then save it as PDF. Collected data is stored in a JSON file, and the source HTML file must include \\<script src='./json.js' type='text/javascript'>\\</script>. You can also provide the URL of the HTML page in inputUrl parameter. <b>However, creating PDF from URL is not supported in External Storage flow.</b>",
+        "description": "Creates PDFs from static/dynamic HTML or HTML(with inline CSS) or just a URL. It's a common scenario for enterprise to provide end users with a HTML template with form fields. In case of dynamic HTML this API allows you to capture the users unique data entries and then save it as PDF. Collected data is stored in a JSON file, and the source HTML file must include \\<script src='./json.js' type='text/javascript'>\\</script>. Your JavaScript can access the data passed in via the window.json object. You can also provide the URL of the HTML page in inputUrl parameter. <b>However, creating PDF from URL is not supported in External Storage flow.</b><br><b>We do not provide support under the following conditions:</b><br>1. The URL Scheme is not HTTPS.<br>2. The hostname resolves to a non-routable IP address. This encompasses scenarios where redirects lead to non-routable IP addresses as well.<br>",
         "operationId": "pdfoperations.htmltopdf",
         "parameters": [
           {