diff --git a/stagehand/agent/anthropic_cua.py b/stagehand/agent/anthropic_cua.py
index df6c7a2..f69ce8f 100644
--- a/stagehand/agent/anthropic_cua.py
+++ b/stagehand/agent/anthropic_cua.py
@@ -58,9 +58,12 @@ def __init__(
     ):
         super().__init__(model, instructions, config, logger, handler)
         self.experimental = experimental
-        self.anthropic_sdk_client = Anthropic(
-            api_key=config.options.get("apiKey") or os.getenv("ANTHROPIC_API_KEY")
-        )
+        api_key = None
+        if config and hasattr(config, 'options') and config.options:
+            api_key = config.options.get('api_key') or config.options.get('apiKey')
+        if not api_key:
+            api_key = os.getenv('ANTHROPIC_API_KEY')
+        self.anthropic_sdk_client = Anthropic(api_key=api_key)
 
         dimensions = (
             (viewport["width"], viewport["height"]) if viewport else (1288, 711)
diff --git a/stagehand/agent/google_cua.py b/stagehand/agent/google_cua.py
index fc46196..ae5b9b7 100644
--- a/stagehand/agent/google_cua.py
+++ b/stagehand/agent/google_cua.py
@@ -46,7 +46,7 @@ def __init__(
         # Match OpenAI pattern for API key handling
         api_key = None
         if config and hasattr(config, "options") and config.options:
-            api_key = config.options.get("apiKey")
+            api_key = config.options.get("api_key") or config.options.get("apiKey")
         if not api_key:
             api_key = os.getenv("GEMINI_API_KEY")
         if not api_key:
diff --git a/stagehand/agent/openai_cua.py b/stagehand/agent/openai_cua.py
index 16506f5..49d1962 100644
--- a/stagehand/agent/openai_cua.py
+++ b/stagehand/agent/openai_cua.py
@@ -40,9 +40,12 @@ def __init__(
     ):
         super().__init__(model, instructions, config, logger, handler)
         # TODO pass api key
-        self.openai_sdk_client = OpenAISDK(
-            api_key=config.options.get("apiKey") or os.getenv("OPENAI_API_KEY")
-        )
+        api_key = None
+        if config and hasattr(config, 'options') and config.options:
+            api_key = config.options.get('api_key') or config.options.get('apiKey')
+        if not api_key:
+            api_key = os.getenv('OPENAI_API_KEY')
+        self.openai_sdk_client = OpenAISDK(api_key=api_key)
 
         dimensions = (
             (viewport["width"], viewport["height"]) if viewport else (1288, 711)