diff --git a/_apidocs/entity-api.md b/_apidocs/entity-api.md
index 949122f75..ed01841a5 100644
--- a/_apidocs/entity-api.md
+++ b/_apidocs/entity-api.md
@@ -5,6 +5,14 @@ banner-heading: SAM.gov Entity Management API
 <!--<link rel="stylesheet" type="text/css" href="../../assets/swaggerui-dist/swagger-ui.css" >-->
 <!--<link rel="stylesheet" type="text/css" href="../../assets/swaggerui-dist/custom.css" >-->
 
+<div class="usa-alert usa-alert-warning" id="site-wide-alert" role="alert">
+   <div class="usa-alert-body">
+     <p class="usa-alert-text">
+        At this time, please <b>cease using</b> the Entity Management API for any Representations and Certifications display (also known as 'Reps and Certs') information.<br><br>Entity Management API results may not match the information available in the Reps and Certs in the entity's record on SAM.gov. The Reps and Certs display via search at SAM.gov is correct.<br><br>The Reps and Certs data stored in the database is correct.<br>The Reps and Certs data in the SAM record is correct.<br>It is the data returned by the API that we are investigating.<br><br>We will provide updates as soon as possible.
+     </p>
+   </div>
+ </div>
+
 ## Overview
 The Entity Management API allows users to request Unclassified ("Public"), Controlled Unclassified Information (CUI) "For Official Use Only" (FOUO) or CUI "Sensitive" entity data, based on the sensitivity level of the user account and through several optional request parameters.
 
@@ -12355,4 +12363,4 @@ Disclaimer:
 | 08/22/2023 | v4.4    | * Uploaded a revised Data Dictionary with updated Business Types.
 | 09/29/2023 | v4.5    | * Updated "Additional Help References" documentation to link to SAM.gov Data Services page.
 
-<p><small><a href="#">Back to top</a></small></p>
\ No newline at end of file
+<p><small><a href="#">Back to top</a></small></p>