diff --git a/libs/community/langchain_community/chat_models/sparkllm.py b/libs/community/langchain_community/chat_models/sparkllm.py
index e9efafd0c80..7d122f0a0c8 100644
--- a/libs/community/langchain_community/chat_models/sparkllm.py
+++ b/libs/community/langchain_community/chat_models/sparkllm.py
@@ -135,14 +135,14 @@ class ChatSparkLLM(BaseChatModel):
 
     client: Any = None  #: :meta private:
     spark_app_id: Optional[str] = None
-    spark_api_key: Optional[str] = None
+    spark_api_key: Optional[str] = Field(default=None, alias="api_key")
     spark_api_secret: Optional[str] = None
     spark_api_url: Optional[str] = None
     spark_llm_domain: Optional[str] = None
     spark_user_id: str = "lc_user"
     streaming: bool = False
     request_timeout: int = Field(30, alias="timeout")
-    temperature: float = 0.5
+    temperature: float = Field(default=0.5)
     top_k: int = 4
     model_kwargs: Dict[str, Any] = Field(default_factory=dict)
 
diff --git a/libs/community/tests/integration_tests/chat_models/test_sparkllm.py b/libs/community/tests/integration_tests/chat_models/test_sparkllm.py
index 1a94af7eb21..848dc487bb8 100644
--- a/libs/community/tests/integration_tests/chat_models/test_sparkllm.py
+++ b/libs/community/tests/integration_tests/chat_models/test_sparkllm.py
@@ -5,11 +5,21 @@ from langchain_community.chat_models.sparkllm import ChatSparkLLM
 
 def test_initialization() -> None:
     """Test chat model initialization."""
+
     for model in [
-        ChatSparkLLM(timeout=30),
-        ChatSparkLLM(request_timeout=30),  # type: ignore[call-arg]
+        ChatSparkLLM(
+            api_key="secret",
+            temperature=0.5,
+            timeout=30,
+        ),
+        ChatSparkLLM(
+            spark_api_key="secret",
+            request_timeout=30,
+        ),  # type: ignore[call-arg]
     ]:
         assert model.request_timeout == 30
+        assert model.spark_api_key == "secret"
+        assert model.temperature == 0.5
 
 
 def test_chat_spark_llm() -> None: