Add links to endpoint for better UX

Author: Kat Batuigas

cloud-dataplane/x-topics/quickstart.md

@@ -22,9 +22,9 @@ If you successfully retrieve an access token, it is valid for one hour. You can
 
 ## Create a topic
 
-1. In the subheader, open **API Explorer**.
+1. In the subheader of this page, open [**API Explorer**](/api/doc/cloud-dataplane/explorer).
 
-1. If you don't already have the data plane API URL for your target cluster, make a Get Cluster (BYOC, Dedicated) or Get Serverless Cluster (Serverless) request with the Control Plane API. The response contains the data plane API URL.
+1. If you don't already have the data plane API URL for your target cluster, make a [Get Cluster](/api/doc/cloud-controlplane/explorer/operation/operation-clusterservice_getcluster) (BYOC, Dedicated) or [Get Serverless Cluster](/api/doc/cloud-controlplane/explorer/operation/operation-serverlessclusterservice_createserverlesscluster) (Serverless) request with the Control Plane API. The response contains the data plane API URL.
 
    From the `dataplane_api.url` value in the response, extract only the subdomain (the part between `https://` and `.cloud.redpanda.com`). Enter this value in the Data Plane API URL field.