diff --git a/core/src/main/java/org/apache/iceberg/rest/RESTSessionCatalog.java b/core/src/main/java/org/apache/iceberg/rest/RESTSessionCatalog.java
index d98dc99495f6..045bc54368f0 100644
--- a/core/src/main/java/org/apache/iceberg/rest/RESTSessionCatalog.java
+++ b/core/src/main/java/org/apache/iceberg/rest/RESTSessionCatalog.java
@@ -151,6 +151,7 @@ public class RESTSessionCatalog extends BaseViewSessionCatalog
           .add(Endpoint.V1_RENAME_TABLE)
           .add(Endpoint.V1_REGISTER_TABLE)
           .add(Endpoint.V1_REPORT_METRICS)
+          .add(Endpoint.V1_COMMIT_TRANSACTION)
           .build();
 
   private static final Set<Endpoint> VIEW_ENDPOINTS =
diff --git a/open-api/rest-catalog-open-api.yaml b/open-api/rest-catalog-open-api.yaml
index 5df05094a86d..e5a4b8dbbc1e 100644
--- a/open-api/rest-catalog-open-api.yaml
+++ b/open-api/rest-catalog-open-api.yaml
@@ -111,6 +111,8 @@ paths:
 
           - GET /v1/{prefix}/namespaces/{namespace}
 
+          - HEAD /v1/{prefix}/namespaces/{namespace}
+
           - DELETE /v1/{prefix}/namespaces/{namespace}
 
           - POST /v1/{prefix}/namespaces/{namespace}/properties
@@ -121,6 +123,8 @@ paths:
 
           - GET /v1/{prefix}/namespaces/{namespace}/tables/{table}
 
+          - HEAD /v1/{prefix}/namespaces/{namespace}/tables/{table}
+
           - POST /v1/{prefix}/namespaces/{namespace}/tables/{table}
 
           - DELETE /v1/{prefix}/namespaces/{namespace}/tables/{table}