'currencyapi', 'FX_RATES_API_VERSION' => 'v2', 'FX_RATES_API_URL' => 'https://currencyapi.net', 'FX_RATES_CURRENCIES_URL' => 'https://currencyapi.net', 'FX_RATES_API_KEY' => 'eb18ce459ffb0461c59229b478f2e00388d1', 'FX_RATES_TIMEOUT' => '10', 'FX_RATES_REFRESH_MAX_AGE_HOURS' => '6', 'FX_RATES_DEFAULT_BASE_CURRENCY' => 'EUR', 'FX_RATES_DISPLAY_BASE_CURRENCY' => 'EUR', 'FX_RATES_SCHEDULE_TIMEZONE' => 'Europe/Berlin', ];