diff --git a/src/main/java/org/opensearch/flowframework/rest/RestCreateWorkflowAction.java b/src/main/java/org/opensearch/flowframework/rest/RestCreateWorkflowAction.java
index bf4943403..e88914cbb 100644
--- a/src/main/java/org/opensearch/flowframework/rest/RestCreateWorkflowAction.java
+++ b/src/main/java/org/opensearch/flowframework/rest/RestCreateWorkflowAction.java
@@ -78,18 +78,17 @@ protected RestChannelConsumer prepareRequest(RestRequest request, NodeClient cli
         String workflowId = request.param(WORKFLOW_ID);
         String[] validation = request.paramAsStringArray(VALIDATION, new String[] { "all" });
         boolean provision = request.paramAsBoolean(PROVISION_WORKFLOW, false);
-        final List<String> validCreateParams = List.of(WORKFLOW_ID, VALIDATION, PROVISION_WORKFLOW);
         // If provisioning, consume all other params and pass to provision transport action
         Map<String, String> params = provision
             ? request.params()
                 .keySet()
                 .stream()
-                .filter(k -> !validCreateParams.contains(k))
+                .filter(k -> !request.consumedParams().contains(k))
                 .collect(Collectors.toMap(Function.identity(), request::param))
             : request.params()
                 .entrySet()
                 .stream()
-                .filter(e -> !validCreateParams.contains(e.getKey()))
+                .filter(e -> !request.consumedParams().contains(e.getKey()))
                 .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
         if (!flowFrameworkSettings.isFlowFrameworkEnabled()) {
             FlowFrameworkException ffe = new FlowFrameworkException(
@@ -105,7 +104,7 @@ protected RestChannelConsumer prepareRequest(RestRequest request, NodeClient cli
             params.keySet().stream().forEach(request::param);
             request.content();
             FlowFrameworkException ffe = new FlowFrameworkException(
-                "Only the parameters " + validCreateParams + " are permitted unless the provision parameter is set to true.",
+                "Only the parameters " + request.consumedParams() + " are permitted unless the provision parameter is set to true.",
                 RestStatus.BAD_REQUEST
             );
             return channel -> channel.sendResponse(
diff --git a/src/test/java/org/opensearch/flowframework/rest/RestCreateWorkflowActionTests.java b/src/test/java/org/opensearch/flowframework/rest/RestCreateWorkflowActionTests.java
index 1d99cf517..d95f10375 100644
--- a/src/test/java/org/opensearch/flowframework/rest/RestCreateWorkflowActionTests.java
+++ b/src/test/java/org/opensearch/flowframework/rest/RestCreateWorkflowActionTests.java
@@ -127,12 +127,7 @@ public void testCreateWorkflowRequestWithParamsButNoProvision() throws Exception
         createWorkflowRestAction.handleRequest(request, channel, nodeClient);
         assertEquals(RestStatus.BAD_REQUEST, channel.capturedResponse().status());
         assertTrue(
-            channel.capturedResponse()
-                .content()
-                .utf8ToString()
-                .contains(
-                    "Only the parameters [workflow_id, validation, provision] are permitted unless the provision parameter is set to true."
-                )
+            channel.capturedResponse().content().utf8ToString().contains("are permitted unless the provision parameter is set to true.")
         );
     }