From e986488ab5951bd3a5a0cc8d13286a2e420bb0d7 Mon Sep 17 00:00:00 2001
From: Timothy Jaeryang Baek <tim@openwebui.com>
Date: Tue, 28 Oct 2025 00:06:52 -0700
Subject: [PATCH] enh: ELEVENLABS_API_BASE_URL env var

---
 backend/open_webui/config.py        | 4 ++++
 backend/open_webui/routers/audio.py | 9 +++++----
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/backend/open_webui/config.py b/backend/open_webui/config.py
index c794065974..d0a76e0238 100644
--- a/backend/open_webui/config.py
+++ b/backend/open_webui/config.py
@@ -3343,6 +3343,10 @@ DEEPGRAM_API_KEY = PersistentConfig(
     os.getenv("DEEPGRAM_API_KEY", ""),
 )
 
+# ElevenLabs configuration
+ELEVENLABS_API_BASE_URL = os.getenv(
+    "ELEVENLABS_API_BASE_URL", "https://api.elevenlabs.io"
+)
 
 AUDIO_STT_OPENAI_API_BASE_URL = PersistentConfig(
     "AUDIO_STT_OPENAI_API_BASE_URL",
diff --git a/backend/open_webui/routers/audio.py b/backend/open_webui/routers/audio.py
index cb7a57b5b7..1213ffbd05 100644
--- a/backend/open_webui/routers/audio.py
+++ b/backend/open_webui/routers/audio.py
@@ -39,13 +39,14 @@ from open_webui.config import (
     WHISPER_MODEL_DIR,
     CACHE_DIR,
     WHISPER_LANGUAGE,
+    ELEVENLABS_API_BASE_URL,
 )
 
 from open_webui.constants import ERROR_MESSAGES
 from open_webui.env import (
+    ENV,
     AIOHTTP_CLIENT_SESSION_SSL,
     AIOHTTP_CLIENT_TIMEOUT,
-    ENV,
     SRC_LOG_LEVELS,
     DEVICE_TYPE,
     ENABLE_FORWARD_USER_INFO_HEADERS,
@@ -413,7 +414,7 @@ async def speech(request: Request, user=Depends(get_verified_user)):
                 timeout=timeout, trust_env=True
             ) as session:
                 async with session.post(
-                    f"https://api.elevenlabs.io/v1/text-to-speech/{voice_id}",
+                    f"{ELEVENLABS_API_BASE_URL}/v1/text-to-speech/{voice_id}",
                     json={
                         "text": payload["input"],
                         "model_id": request.app.state.config.TTS_MODEL,
@@ -1037,7 +1038,7 @@ def get_available_models(request: Request) -> list[dict]:
     elif request.app.state.config.TTS_ENGINE == "elevenlabs":
         try:
             response = requests.get(
-                "https://api.elevenlabs.io/v1/models",
+                f"{ELEVENLABS_API_BASE_URL}/v1/models",
                 headers={
                     "xi-api-key": request.app.state.config.TTS_API_KEY,
                     "Content-Type": "application/json",
@@ -1141,7 +1142,7 @@ def get_elevenlabs_voices(api_key: str) -> dict:
     try:
         # TODO: Add retries
         response = requests.get(
-            "https://api.elevenlabs.io/v1/voices",
+            f"{ELEVENLABS_API_BASE_URL}/v1/voices",
             headers={
                 "xi-api-key": api_key,
                 "Content-Type": "application/json",