diff --git a/app/models/utils.py b/app/models/utils.py
index 35bce404..284a9541 100644
--- a/app/models/utils.py
+++ b/app/models/utils.py
@@ -47,6 +47,11 @@ def is_parameter_in_model(model_params: List[str], payload: Dict[str, Any]) -> b
     return any(param in model_params for param in payload.keys())
 
 
+def has_parameters_in_model(model_params: List[str], payload: Dict[str, Any]) -> int:
+    """Returns the number of parameters in the payload that are in the model."""
+    return sum(1 for param in model_params if param in payload.keys())
+
+
 def are_all_parameters_in_model(
     model_params: List[str], payload: Dict[str, Any]
 ) -> bool:
diff --git a/app/tests/models/test_models_utils.py b/app/tests/models/test_models_utils.py
index 7370108a..d8aeff4d 100644
--- a/app/tests/models/test_models_utils.py
+++ b/app/tests/models/test_models_utils.py
@@ -47,6 +47,27 @@ def test_is_parameter_in_model():
     assert not model_utils.is_parameter_in_model(model_params, non_string_keys_payload)
 
 
+def test_has_parameters_in_model():
+    model_params = ["field1", "field2", "field3"]
+
+    payload = {"field1": "value", "field2": "value"}
+    assert model_utils.has_parameters_in_model(model_params, payload) == 2
+
+    payload = {"field1": "value", "non_field": "value"}
+    assert model_utils.has_parameters_in_model(model_params, payload) == 1
+
+    empty_payload = {}
+    assert model_utils.has_parameters_in_model(model_params, empty_payload) == 0
+
+    partial_payload = {"field1": "value"}
+    assert model_utils.has_parameters_in_model(model_params, partial_payload) == 1
+
+    non_string_keys_payload = {1: "value", 2: "value"}
+    assert (
+        model_utils.has_parameters_in_model(model_params, non_string_keys_payload) == 0
+    )
+
+
 def test_are_all_parameters_in_model():
     model_params = ["field1", "field2", "field3"]