diff --git a/deepeval/evaluate.py b/deepeval/evaluate.py
index e2d1b579a..dc91af090 100644
--- a/deepeval/evaluate.py
+++ b/deepeval/evaluate.py
@@ -175,6 +175,7 @@ def create_api_test_case(
             evaluationCost=None,
             order=order,
             testCases=[],
+            additionalMetadata=test_case.additional_metadata
         )
         api_test_case.instance_id = id(api_test_case)
         api_test_case.turns = [
diff --git a/deepeval/test_run/api.py b/deepeval/test_run/api.py
index 19dba8c19..374bd7c61 100644
--- a/deepeval/test_run/api.py
+++ b/deepeval/test_run/api.py
@@ -117,6 +117,9 @@ class ConversationalApiTestCase(BaseModel):
         default_factory=lambda: [], alias="testCases"
     )
     order: Union[int, None] = Field(None)
+    additional_metadata: Optional[Dict] = Field(
+        None, alias="additionalMetadata"
+    )
 
     def update_metric_data(self, metrics_data: MetricData):
         if self.metrics_data is None: