Add beta note

bbiggerr · bbiggerr · commit 8b54f48b9153 · 2021-06-02T14:03:10.000-04:00
diff --git a/openapi.yaml b/openapi.yaml
@@ -1658,6 +1658,11 @@ paths:
       summary: Payment Methods List
       description: |
         Returns a paginated list of Payment Methods for this Account.
+
+        This endpoint is currently in **beta**. Please make sure to prepend all requests with
+        `/v4beta` instead of `/v4`, and be aware that this endpoint may receive breaking
+        updates in the future. This notice will be removed when this endpoint is out of
+        beta.
       operationId: getPaymentMethods
       x-linode-cli-action: payment-methods-list
       security:
