diff --git a/examples/foundational/07c-interruptible-deepgram.py b/examples/foundational/07c-interruptible-deepgram.py
index f3b4ee246..fc33c246f 100644
--- a/examples/foundational/07c-interruptible-deepgram.py
+++ b/examples/foundational/07c-interruptible-deepgram.py
@@ -50,7 +50,7 @@ async def main():
 
         stt = DeepgramSTTService(api_key=os.getenv("DEEPGRAM_API_KEY"))
 
-        tts = DeepgramTTSService(api_key=os.getenv("DEEPGRAM_API_KEY"), voice_id="aura-helios-en")
+        tts = DeepgramTTSService(api_key=os.getenv("DEEPGRAM_API_KEY"), voice="aura-helios-en")
 
         llm = OpenAILLMService(api_key=os.getenv("OPENAI_API_KEY"), model="gpt-4o")
 
diff --git a/examples/foundational/07e-interruptible-playht.py b/examples/foundational/07e-interruptible-playht.py
index 58d85ed79..b05c0d9fd 100644
--- a/examples/foundational/07e-interruptible-playht.py
+++ b/examples/foundational/07e-interruptible-playht.py
@@ -52,7 +52,7 @@ async def main():
         tts = PlayHTTTSService(
             user_id=os.getenv("PLAYHT_USER_ID"),
             api_key=os.getenv("PLAYHT_API_KEY"),
-            voice_id="s3://voice-cloning-zero-shot/801a663f-efd0-4254-98d0-5c175514c3e8/jennifer/manifest.json",
+            voice_url="s3://voice-cloning-zero-shot/801a663f-efd0-4254-98d0-5c175514c3e8/jennifer/manifest.json",
         )
 
         llm = OpenAILLMService(api_key=os.getenv("OPENAI_API_KEY"), model="gpt-4o")
diff --git a/examples/foundational/07g-interruptible-openai-tts.py b/examples/foundational/07g-interruptible-openai-tts.py
index b7671c42f..cabf1245e 100644
--- a/examples/foundational/07g-interruptible-openai-tts.py
+++ b/examples/foundational/07g-interruptible-openai-tts.py
@@ -48,7 +48,7 @@ async def main():
             ),
         )
 
-        tts = OpenAITTSService(api_key=os.getenv("OPENAI_API_KEY"), voice_id="alloy")
+        tts = OpenAITTSService(api_key=os.getenv("OPENAI_API_KEY"), voice="alloy")
 
         llm = OpenAILLMService(api_key=os.getenv("OPENAI_API_KEY"), model="gpt-4o")
 
diff --git a/examples/foundational/16-gpu-container-local-bot.py b/examples/foundational/16-gpu-container-local-bot.py
index b3ae9686e..55286eed5 100644
--- a/examples/foundational/16-gpu-container-local-bot.py
+++ b/examples/foundational/16-gpu-container-local-bot.py
@@ -55,7 +55,7 @@ async def main():
         tts = DeepgramTTSService(
             aiohttp_session=session,
             api_key=os.getenv("DEEPGRAM_API_KEY"),
-            voice_id="aura-asteria-en",
+            voice="aura-asteria-en",
             base_url="http://0.0.0.0:8080/v1/speak",
         )
 
diff --git a/src/pipecat/services/azure.py b/src/pipecat/services/azure.py
index 078b7df6b..32af1b3f4 100644
--- a/src/pipecat/services/azure.py
+++ b/src/pipecat/services/azure.py
@@ -178,7 +178,7 @@ class AzureTTSService(TTSService):
         *,
         api_key: str,
         region: str,
-        voice_id="en-US-SaraNeural",
+        voice="en-US-SaraNeural",
         sample_rate: int = 16000,
         params: InputParams = InputParams(),
         **kwargs,
@@ -200,7 +200,7 @@ class AzureTTSService(TTSService):
             "volume": params.volume,
         }
 
-        self.set_voice(voice_id)
+        self.set_voice(voice)
 
     def can_generate_metrics(self) -> bool:
         return True
diff --git a/src/pipecat/services/deepgram.py b/src/pipecat/services/deepgram.py
index 55a3ba68e..433e08172 100644
--- a/src/pipecat/services/deepgram.py
+++ b/src/pipecat/services/deepgram.py
@@ -49,7 +49,7 @@ class DeepgramTTSService(TTSService):
         self,
         *,
         api_key: str,
-        voice_id: str = "aura-helios-en",
+        voice: str = "aura-helios-en",
         sample_rate: int = 16000,
         encoding: str = "linear16",
         **kwargs,
@@ -60,7 +60,7 @@ class DeepgramTTSService(TTSService):
             "sample_rate": sample_rate,
             "encoding": encoding,
         }
-        self.set_voice(voice_id)
+        self.set_voice(voice)
         self._deepgram_client = DeepgramClient(api_key=api_key)
 
     def can_generate_metrics(self) -> bool:
diff --git a/src/pipecat/services/openai.py b/src/pipecat/services/openai.py
index 68b7fa4de..24d673234 100644
--- a/src/pipecat/services/openai.py
+++ b/src/pipecat/services/openai.py
@@ -381,7 +381,7 @@ class OpenAITTSService(TTSService):
         self,
         *,
         api_key: str | None = None,
-        voice_id: str = "alloy",
+        voice: str = "alloy",
         model: Literal["tts-1", "tts-1-hd"] = "tts-1",
         sample_rate: int = 24000,
         **kwargs,
@@ -392,7 +392,7 @@ class OpenAITTSService(TTSService):
             "sample_rate": sample_rate,
         }
         self.set_model_name(model)
-        self.set_voice(voice_id)
+        self.set_voice(voice)
 
         self._client = AsyncOpenAI(api_key=api_key)
 
diff --git a/src/pipecat/services/playht.py b/src/pipecat/services/playht.py
index aea5d8d92..fe5feba3a 100644
--- a/src/pipecat/services/playht.py
+++ b/src/pipecat/services/playht.py
@@ -32,7 +32,7 @@ except ModuleNotFoundError as e:
 
 class PlayHTTTSService(TTSService):
     def __init__(
-        self, *, api_key: str, user_id: str, voice_id: str, sample_rate: int = 16000, **kwargs
+        self, *, api_key: str, user_id: str, voice_url: str, sample_rate: int = 16000, **kwargs
     ):
         super().__init__(sample_rate=sample_rate, **kwargs)
 
@@ -49,7 +49,7 @@ class PlayHTTTSService(TTSService):
             "format": Format.FORMAT_WAV,
             "voice_engine": "PlayHT2.0-turbo",
         }
-        self.set_voice(voice_id)
+        self.set_voice(voice_url)
         self._options = TTSOptions(
             voice=self._voice_id,
             sample_rate=self._settings["sample_rate"],