diff --git a/env.example b/env.example
index 00b5fa775..3723fbf26 100644
--- a/env.example
+++ b/env.example
@@ -80,9 +80,6 @@ GOOGLE_TEST_CREDENTIALS=...
 # Gradium
 GRAPDIUM_API_KEY=...
 
-# Grok
-GROK_API_KEY=...
-
 # Groq
 GROQ_API_KEY=...
 
@@ -215,3 +212,6 @@ WHATSAPP_TOKEN=...
 WHATSAPP_WEBHOOK_VERIFICATION_TOKEN=...
 WHATSAPP_PHONE_NUMBER_ID=...
 WHATSAPP_APP_SECRET=...
+
+# xAI / Grok
+XAI_API_KEY=...
\ No newline at end of file
diff --git a/examples/foundational/07e-interruptible-xai.py b/examples/foundational/07e-interruptible-xai.py
index 8a19a1570..6d0d54e79 100644
--- a/examples/foundational/07e-interruptible-xai.py
+++ b/examples/foundational/07e-interruptible-xai.py
@@ -56,7 +56,7 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
         stt = DeepgramSTTService(api_key=os.getenv("DEEPGRAM_API_KEY"))
 
         tts = XAIHttpTTSService(
-            api_key=os.getenv("GROK_API_KEY"),
+            api_key=os.getenv("XAI_API_KEY"),
             aiohttp_session=session,
             settings=XAIHttpTTSService.Settings(
                 voice="eve",
@@ -64,7 +64,7 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
         )
 
         llm = GrokLLMService(
-            api_key=os.getenv("GROK_API_KEY"),
+            api_key=os.getenv("XAI_API_KEY"),
             settings=GrokLLMService.Settings(
                 system_instruction="You are a helpful assistant in a voice conversation. Your responses will be spoken aloud, so avoid emojis, bullet points, or other formatting that can't be spoken. Respond to what the user said in a creative, helpful, and brief way.",
             ),
diff --git a/examples/foundational/14g-function-calling-grok.py b/examples/foundational/14g-function-calling-grok.py
index df94fa2f8..05e1efaf9 100644
--- a/examples/foundational/14g-function-calling-grok.py
+++ b/examples/foundational/14g-function-calling-grok.py
@@ -65,7 +65,7 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
         stt = DeepgramSTTService(api_key=os.getenv("DEEPGRAM_API_KEY"))
 
         tts = XAIHttpTTSService(
-            api_key=os.getenv("GROK_API_KEY"),
+            api_key=os.getenv("XAI_API_KEY"),
             aiohttp_session=session,
             settings=XAIHttpTTSService.Settings(
                 voice="eve",
@@ -73,7 +73,7 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
         )
 
         llm = GrokLLMService(
-            api_key=os.getenv("GROK_API_KEY"),
+            api_key=os.getenv("XAI_API_KEY"),
             settings=GrokLLMService.Settings(
                 system_instruction="You are a helpful assistant in a voice conversation. Your responses will be spoken aloud, so avoid emojis, bullet points, or other formatting that can't be spoken. Respond to what the user said in a creative, helpful, and brief way.",
             ),
diff --git a/examples/foundational/20f-persistent-context-grok-realtime.py b/examples/foundational/20f-persistent-context-grok-realtime.py
index ed4a4d273..9942550e6 100644
--- a/examples/foundational/20f-persistent-context-grok-realtime.py
+++ b/examples/foundational/20f-persistent-context-grok-realtime.py
@@ -192,7 +192,7 @@ Remember, your responses should be short - just one or two sentences usually."""
     )
 
     llm = GrokRealtimeLLMService(
-        api_key=os.getenv("GROK_API_KEY"),
+        api_key=os.getenv("XAI_API_KEY"),
         session_properties=session_properties,
     )
 
diff --git a/examples/foundational/51-grok-realtime.py b/examples/foundational/51-grok-realtime.py
index 5c4ac7d96..3f1543871 100644
--- a/examples/foundational/51-grok-realtime.py
+++ b/examples/foundational/51-grok-realtime.py
@@ -179,7 +179,7 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
 
     # Create the Grok Realtime LLM service
     llm = GrokRealtimeLLMService(
-        api_key=os.getenv("GROK_API_KEY"),
+        api_key=os.getenv("XAI_API_KEY"),
         settings=GrokRealtimeLLMService.Settings(
             system_instruction="""You are a helpful and friendly AI assistant powered by Grok.
 
diff --git a/examples/foundational/55zo-update-settings-grok-realtime.py b/examples/foundational/55zo-update-settings-grok-realtime.py
index 9e853420e..304ccce8e 100644
--- a/examples/foundational/55zo-update-settings-grok-realtime.py
+++ b/examples/foundational/55zo-update-settings-grok-realtime.py
@@ -50,7 +50,7 @@ transport_params = {
 async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     logger.info(f"Starting bot")
 
-    llm = GrokRealtimeLLMService(api_key=os.getenv("GROK_API_KEY"))
+    llm = GrokRealtimeLLMService(api_key=os.getenv("XAI_API_KEY"))
 
     messages = [
         {
diff --git a/examples/foundational/55zza-update-settings-grok-llm.py b/examples/foundational/55zza-update-settings-grok-llm.py
index 04cd39a95..dedb7b950 100644
--- a/examples/foundational/55zza-update-settings-grok-llm.py
+++ b/examples/foundational/55zza-update-settings-grok-llm.py
@@ -60,7 +60,7 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
     )
 
     llm = GrokLLMService(
-        api_key=os.getenv("GROK_API_KEY"),
+        api_key=os.getenv("XAI_API_KEY"),
         settings=GrokLLMService.Settings(
             system_instruction="You are a helpful assistant in a voice conversation. Your responses will be spoken aloud, so avoid emojis, bullet points, or other formatting that can't be spoken. Respond to what the user said in a creative, helpful, and brief way.",
         ),