diff --git a/aieng-eval-agents/tests/test_integration.py b/aieng-eval-agents/tests/test_integration.py
new file mode 100644
index 0000000..9d0d5e6
--- /dev/null
+++ b/aieng-eval-agents/tests/test_integration.py
@@ -0,0 +1,42 @@
+"""Integration tests for Langfuse and Gemini API key validation."""
+
+import pytest
+from aieng.agent_evals.configs import Configs
+from aieng.agent_evals.tools.search import google_search
+from dotenv import load_dotenv
+from langfuse import Langfuse
+
+
+load_dotenv(verbose=True)
+
+
+@pytest.fixture()
+def configs() -> Configs:
+    """Load env var configs for testing."""
+    return Configs()  # type: ignore[call-arg]
+
+
+@pytest.mark.integration_test
+def test_langfuse_auth(configs: Configs) -> None:
+    """Test that Langfuse API keys are valid and authentication succeeds."""
+    if not configs.langfuse_public_key or not configs.langfuse_secret_key:
+        pytest.skip("LANGFUSE_PUBLIC_KEY and LANGFUSE_SECRET_KEY not set in env vars")
+
+    langfuse_client = Langfuse(
+        public_key=configs.langfuse_public_key,
+        secret_key=configs.langfuse_secret_key.get_secret_value(),
+        host=configs.langfuse_host,
+    )
+
+    assert langfuse_client.auth_check(), "Langfuse authentication failed. Check your API keys."
+
+
+@pytest.mark.integration_test
+@pytest.mark.asyncio
+async def test_gemini_google_search(configs: Configs) -> None:
+    """Test that the Gemini API key is valid by performing a Google Search."""
+    result = await google_search("What is the capital of France?", model=configs.default_worker_model)
+
+    assert result["status"] == "success", f"Gemini search failed: {result.get('error')}"
+    assert result["summary"], "Gemini search returned an empty summary"
+    assert result["source_count"] > 0, "Gemini search returned no sources"