Get duration of an mp3 generated by Elevelabs API

mp3-inmemory-duration.py

import requests
from mutagen.mp3 import MP3
from io import BytesIO

# Your API key (replace <mykey> with your actual API key)
api_key = <mykey>

# Replace <voiceid> with your actual voice id value
voice_id=123456
url = f"https://api.elevenlabs.io/v1/text-to-speech/f{voice_id}"

# Request headers
headers = {
    'Content-Type': 'application/json',
    'xi-api-key': api_key,
}

# Request body
data = {
    "text": "Hello! My name is Peter!",
    "model_id": "eleven_multilingual_v2",
    "voice_settings": {
        "stability": 0.76,
        "similarity_boost": 0.9
    }
}

# Make the API request
response = requests.post(url, json=data, headers=headers)

# Check if the request was successful
if response.status_code == 200:
    mp3_data = response.content
    mp3_file_like = BytesIO(mp3_data)
    
    # Load the MP3 file from the in-memory bytes
    audio = MP3(mp3_file_like)
    
    # Get the length/duration of the MP3 file in seconds
    duration = audio.info.length
    
    print(f"Duration: {duration} seconds")
else:
    print(f"Error: {response.status_code}")