diff --git a/tests/test_integration.py b/tests/test_integration.py
new file mode 100644
index 0000000..477d46a
--- /dev/null
+++ b/tests/test_integration.py
@@ -0,0 +1,39 @@
+import pytest
+import requests
+from typing import Dict, Any
+from .conftest import BASE_URL
+
+
+class TestIntegration:
+    """Integration tests"""
+
+    def test_full_workflow(self, api_client):
+        """Test a workflow that use all endpoints"""
+
+        # Health check
+        health = api_client.get(f"{BASE_URL}/health")
+        assert health.status_code == 200
+        assert health.content == b'{"status":"healthy","model_loaded":true}'
+
+        # Extract entities
+        general_payload = {
+            "text": "Apple Inc. was founded by Steve Jobs in California.",
+            "entities": ["organization", "person", "location"]
+        }
+        general_response = api_client.post(f"{BASE_URL}/general", json=general_payload)
+        assert general_response.status_code == 200
+
+        # Extract relations
+        relation_payload = {
+            "text": "Apple Inc. was founded by Steve Jobs in California.",
+            "relations": ["founded_by", "located_in"]
+        }
+        relation_response = api_client.post(f"{BASE_URL}/relation-extraction", json=relation_payload)
+        assert relation_response.status_code == 200
+
+        # Summarization
+        summary_payload = {
+            "text": "Apple Inc. was founded by Steve Jobs in California. The company revolutionized technology."
+        }
+        summary_response = api_client.post(f"{BASE_URL}/summarization", json=summary_payload)
+        assert summary_response.status_code == 200