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"""Duffel API configuration.""" import os from typing import Final # API Constants DUFFEL_API_URL: Final = "https://api.duffel.com" DUFFEL_API_VERSION: Final = "v2" def get_api_token() -> str: """Get Duffel API token from environment.""" token = os.getenv("DUFFEL_API_KEY_LIVE") if not token: raise ValueError("DUFFEL_API_KEY_LIVE environment variable not set") return token