diff --git a/specification/ai/Azure.AI.Projects/servicepatterns.tsp b/specification/ai/Azure.AI.Projects/servicepatterns.tsp
index a873b0f9d3c2..e0b0373d594d 100644
--- a/specification/ai/Azure.AI.Projects/servicepatterns.tsp
+++ b/specification/ai/Azure.AI.Projects/servicepatterns.tsp
@@ -58,7 +58,9 @@ namespace Azure.AI.Projects.ServicePatterns {
       TEntityType
     )
     @Rest.actionSeparator("/")
-    versions is BuildingBlocks.RepeatableCoreOps.ResourceAction<
+    @Rest.action("versions")
+    @Http.post
+    create is BuildingBlocks.RepeatableCoreOps.ResourceAction<
       TEntityType,
       {
         @doc("The definition of the {name} to create", TEntityType)
diff --git a/specification/ai/data-plane/Azure.AI.Projects/preview/2025-05-01-preview/azure-ai-projects-1dp.json b/specification/ai/data-plane/Azure.AI.Projects/preview/2025-05-01-preview/azure-ai-projects-1dp.json
index 3bf232f14dc2..ffbd0747b3b6 100644
--- a/specification/ai/data-plane/Azure.AI.Projects/preview/2025-05-01-preview/azure-ai-projects-1dp.json
+++ b/specification/ai/data-plane/Azure.AI.Projects/preview/2025-05-01-preview/azure-ai-projects-1dp.json
@@ -656,7 +656,7 @@
         }
       },
       "post": {
-        "operationId": "Datasets_Versions",
+        "operationId": "Datasets_Create",
         "description": "Create a new DatasetVersion. The version id will be generated by the service.",
         "parameters": [
           {
@@ -1654,7 +1654,7 @@
         }
       },
       "post": {
-        "operationId": "Indexes_Versions",
+        "operationId": "Indexes_Create",
         "description": "Create a new Index. The version id will be generated by the service.",
         "parameters": [
           {