diff --git a/pkg/workloads/cortex/onnx_serve/api.py b/pkg/workloads/cortex/onnx_serve/api.py
index fbfd940650..59c36e7165 100644
--- a/pkg/workloads/cortex/onnx_serve/api.py
+++ b/pkg/workloads/cortex/onnx_serve/api.py
@@ -248,6 +248,21 @@ def start(args):
             local_cache["request_handler"] = ctx.get_request_handler_impl(
                 api["name"], args.project_dir
             )
+        request_handler = local_cache.get("request_handler")
+
+        if request_handler is not None and util.has_function(request_handler, "pre_inference"):
+            logger.info(
+                "using pre_inference request handler provided in {}".format(api["request_handler"])
+            )
+        else:
+            logger.info("pre_inference request handler not found")
+
+        if request_handler is not None and util.has_function(request_handler, "post_inference"):
+            logger.info(
+                "using post_inference request handler provided in {}".format(api["request_handler"])
+            )
+        else:
+            logger.info("post_inference request handler not found")
 
         sess = rt.InferenceSession(model_path)
         local_cache["sess"] = sess
diff --git a/pkg/workloads/cortex/tf_api/api.py b/pkg/workloads/cortex/tf_api/api.py
index bf78f3a4ec..f9fe5e104a 100644
--- a/pkg/workloads/cortex/tf_api/api.py
+++ b/pkg/workloads/cortex/tf_api/api.py
@@ -375,6 +375,22 @@ def start(args):
             local_cache["request_handler"] = ctx.get_request_handler_impl(
                 api["name"], args.project_dir
             )
+        request_handler = local_cache.get("request_handler")
+
+        if request_handler is not None and util.has_function(request_handler, "pre_inference"):
+            logger.info(
+                "using pre_inference request handler provided in {}".format(api["request_handler"])
+            )
+        else:
+            logger.info("pre_inference request handler not found")
+
+        if request_handler is not None and util.has_function(request_handler, "post_inference"):
+            logger.info(
+                "using post_inference request handler provided in {}".format(api["request_handler"])
+            )
+        else:
+            logger.info("post_inference request handler not found")
+
     except Exception as e:
         logger.exception("failed to start api")
         sys.exit(1)