Support calls answered by a voice your customers are happy to talk to.

import asyncio, json, os
import websockets  # pip install websockets

async def speak(llm_tokens):
    async with websockets.connect(
        "wss://api.iodine.dev/v1/tts/realtime?voice=katie",
        additional_headers={"Authorization": f"Bearer {os.environ['IODINE_API_KEY']}"},
    ) as ws:
        await ws.recv()  # {"type": "ready", ...}
        async for token in llm_tokens:  # speak while the LLM writes
            await ws.send(json.dumps({"type": "text", "text": token}))
        await ws.send(json.dumps({"type": "close"}))
        async for msg in ws:
            if isinstance(msg, bytes):
                play(msg)  # 24 kHz 16-bit PCM: forward it to your call
            elif json.loads(msg)["type"] == "done":
                break