[enterprise-4.12] OBSDOCS-67: Add info that monitoring API routes are not available in web browsers

modules/monitoring-about-accessing-monitoring-web-service-apis.adoc

@@ -18,4 +18,9 @@ You can directly access web service API endpoints from the command line for the
 To access Thanos Ruler and Thanos Querier service APIs, the requesting account must have `get` permission on the namespaces resource, which can be granted by binding the `cluster-monitoring-view` cluster role to the account.
 ====
 
-Accessing web service APIs only supports using a Bearer Token for authentication.
+When you access web service API endpoints for monitoring components, be aware of the following limitations:
+
+* You can only use Bearer Token authentication to access API endpoints.
+* You can only access endpoints in the `/api` path for a route.
+If you try to access an API endpoint in a web browser, an `Application is not available` error occurs.
+To access monitoring features in a web browser, use the {product-title} web console to review monitoring dashboards.

monitoring/accessing-third-party-monitoring-apis.adoc

@@ -21,6 +21,10 @@ To avoid these issues, follow these recommendations:
 
 // Accessing service APIs for third-party monitoring components
 include::modules/monitoring-about-accessing-monitoring-web-service-apis.adoc[leveloffset=+1]
+
+.Additional resources
+* xref:../monitoring/reviewing-monitoring-dashboards.adoc#reviewing-monitoring-dashboards[Reviewing monitoring dashboards]
+
 include::modules/monitoring-accessing-third-party-monitoring-web-service-apis.adoc[leveloffset=+1]
 
 // Querying metrics by using the federation endpoint for Prometheus