freecurrencyapi_api_key
                        Freecurrencyapi API Key
get_api_status          Get the current status of the API.
get_historical_exchange_rates
                        Get historical exchange rates for a specific
                        date for a single or multiple currencies.
get_latest_exchange_rates
                        Get exchange rate from the Freecurrencyapi.com
                        API
get_supported_currencies
                        Get the current status of the API.
