add-beta-banner (#1112)

Author: DX-Bandwidth

site/specs/numbers.yml

@@ -15418,10 +15418,6 @@ info:
     Bandwidth's Account and Number Management API
 
 
-    For the previous documentation visit
-    [v2.dev.bandwidth.com](https://v2.dev.bandwidth.com/numbers/apiReference.html).
-
-
     ### Disclaimer
 
 

site/specs/numbers_v2.yml

@@ -15359,8 +15359,11 @@ info:
     Bandwidth's Account and Number Management API
 
 
-    For the previous documentation visit
-    [v2.dev.bandwidth.com](https://v2.dev.bandwidth.com/numbers/apiReference.html).
+    ## Early Access Feature
+      
+    The V2 APIs are still in early access phase and are not ready for general
+    use. Please contact your Bandwidth Account Manager or Bandwidth Support to
+    request access to these APIs.
 
 
     ### Disclaimer