Deprecate PlayHT TTS services

CHANGELOG.md

@@ -25,6 +25,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Updated default `GoogleLLMService` model to `gemini-2.5-flash`.
 
+### Deprecated
+
+- PlayHT is shutting down their API on December 31st, 2025. As a result,
+  `PlayHTTTSService` and `PlayHTHttpTTSService` are deprecated and will be
+  removed in a future version.
+
 ### Fixed
 
 - Fixed an issue with `AWSNovaSonicLLMService` where the client wouldn't

scripts/evals/run-release-evals.py

@@ -75,8 +75,6 @@ TESTS_07 = [
         EVAL_SIMPLE_MATH,
         BOT_SPEAKS_FIRST,
     ),
-    ("07e-interruptible-playht.py", PROMPT_SIMPLE_MATH, EVAL_SIMPLE_MATH, BOT_SPEAKS_FIRST),
-    ("07e-interruptible-playht-http.py", PROMPT_SIMPLE_MATH, EVAL_SIMPLE_MATH, BOT_SPEAKS_FIRST),
     ("07f-interruptible-azure.py", PROMPT_SIMPLE_MATH, EVAL_SIMPLE_MATH, BOT_SPEAKS_FIRST),
     ("07g-interruptible-openai.py", PROMPT_SIMPLE_MATH, EVAL_SIMPLE_MATH, BOT_SPEAKS_FIRST),
     ("07h-interruptible-openpipe.py", PROMPT_SIMPLE_MATH, EVAL_SIMPLE_MATH, BOT_SPEAKS_FIRST),

src/pipecat/services/playht/tts.py

@@ -14,6 +14,7 @@ import io
 import json
 import struct
 import uuid
+import warnings
 from typing import AsyncGenerator, Optional
 
 import aiohttp
@@ -110,6 +111,11 @@ def language_to_playht_language(language: Language) -> Optional[str]:
 class PlayHTTTSService(InterruptibleTTSService):
     """PlayHT WebSocket-based text-to-speech service.
 
+    .. deprecated:: 0.0.88
+
+        This class is deprecated and will be removed in a future version.
+        PlayHT is shutting down their API on December 31st, 2025.
+
     Provides real-time text-to-speech synthesis using PlayHT's WebSocket API.
     Supports streaming audio generation with configurable voice engines and
     language settings.
@@ -158,6 +164,15 @@ class PlayHTTTSService(InterruptibleTTSService):
             **kwargs,
         )
 
+        with warnings.catch_warnings():
+            warnings.simplefilter("always")
+            warnings.warn(
+                "PlayHT is shutting down their API on December 31st, 2025. "
+                "'PlayHTTTSService' is deprecated and will be removed in a future version.",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+
         params = params or PlayHTTTSService.InputParams()
 
         self._api_key = api_key
@@ -401,6 +416,11 @@ class PlayHTTTSService(InterruptibleTTSService):
 class PlayHTHttpTTSService(TTSService):
     """PlayHT HTTP-based text-to-speech service.
 
+    .. deprecated:: 0.0.88
+
+        This class is deprecated and will be removed in a future version.
+        PlayHT is shutting down their API on December 31st, 2025.
+
     Provides text-to-speech synthesis using PlayHT's HTTP API for simpler,
     non-streaming synthesis. Suitable for use cases where streaming is not
     required and simpler integration is preferred.
@@ -454,8 +474,6 @@ class PlayHTHttpTTSService(TTSService):
 
         # Warn about deprecated protocol parameter if explicitly provided
         if protocol:
-            import warnings
-
             with warnings.catch_warnings():
                 warnings.simplefilter("always")
                 warnings.warn(
@@ -464,6 +482,15 @@ class PlayHTHttpTTSService(TTSService):
                     stacklevel=2,
                 )
 
+        with warnings.catch_warnings():
+            warnings.simplefilter("always")
+            warnings.warn(
+                "PlayHT is shutting down their API on December 31st, 2025. "
+                "'PlayHTHttpTTSService' is deprecated and will be removed in a future version.",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+
         params = params or PlayHTHttpTTSService.InputParams()
 
         self._user_id = user_id