API Documentation
API-URL: https://api.hwwi.org
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                AuthenticationA valid token is required to handle any kind of request. A token is valid for 24 hours from the time of creation and must be regenerated after 24 hours. Use your login credentials from hwwi.org. POST https://api.hwwi.org/authParameter user_email string (required) user_password string (required) Return (JSON) status number token string token_valid_until timestring user_email string 
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                CountriesGet list of available countries. POST https://api.hwwi.org/countriesParameter token string (required) Return (JSON) id integer region string name of country 
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                CurrenciesGet list of available currencies. POST https://api.hwwi.org/currenciesParameter token string (required) Return (JSON) id integer currency string name of currency 
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                Weighting PeriodsRequest a list of available weighting periods. POST https://api.hwwi.org/periodsParameter token string (required) Return (JSON) id integer period string name of period 
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                Time Series Type stringAvailable time series types Id Name 1 historical 2 real time 3 daily revised 
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                FrequencyAvailable frequencies Id Name 1 yearly 2 quarterly 3 monthly (subscription required) 4 daily (subscription required) 
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                Commodity Price IndexGet commodity price index data. Each result limited to 10.000 entries. POST https://api.hwwi.org/rawindexParameter token string (required) time_series_type integer (id of series) (required) frequency integer (id of frequency) (required) weighting_period integer (id of period) (required) currency integer (id of currency) (optional) country integer (id of country) (optional) start_date string ("2023-01-01") (optional) end_date string ("2023-12-31") (optional) offset integer - (optional) Return (JSON) status integer message string filter object data array [object]