from openai import OpenAI
from pathlib import Path

client = OpenAI(base_url="https://api.naga.ac/v1", api_key="YOUR_API_KEY")

speech_file_path = Path("speech.mp3")
resp = client.audio.speech.create(
    model="heygen-voice-1",
    voice="alloy",
    input="Hello from NagaAI Text-to-Speech!"
)
resp.stream_to_file(speech_file_path)