diff --git a/app/requirements-dev.txt b/app/requirements-dev.txt
index 5ccc0aa..bb0edeb 100644
--- a/app/requirements-dev.txt
+++ b/app/requirements-dev.txt
@@ -7,3 +7,4 @@ scikit-learn==1.3.2
 accelerate==0.25.0
 datasets==2.16.1
 wandb==0.16.1
+httpx==0.26.0
diff --git a/app/tests/serving/test_fastapi.py b/app/tests/serving/test_fastapi.py
new file mode 100644
index 0000000..cecd4d8
--- /dev/null
+++ b/app/tests/serving/test_fastapi.py
@@ -0,0 +1,27 @@
+from fastapi.testclient import TestClient
+
+from unittest.mock import Mock
+from src.serving.model import BertPredictor
+
+def mock_predict(text):
+    return ['positive' for _ in text]
+
+BertPredictor.from_model_registry = Mock(return_value=Mock(predict=mock_predict))
+
+
+
+def test_predict():
+    from src.serving.fastapi import app
+    client = TestClient(app)
+
+    payload = {
+        "text": ["This is a test sentence.", "Here's another one!"]
+    }
+
+    response = client.post("/predict", json=payload)
+
+    assert response.status_code == 200
+
+    data = response.json()
+    assert isinstance(data, list)
+    assert len(data) == len(payload['text'])