Banco Central do Brasil / SGS time series values between two dates

Values of one BCB SGS time series between two dates: a list of {data: DD/MM/YYYY, valor: "value as text"}. Daily series (Selic, exchange rates) allow at most 10 years per call; monthly series (IPCA) any range. An unknown series code fails at $0 after a timeout; a range with no data returns an empty list or a clean 404. Source: Banco Central do Brasil, dados abertos (dadosabertos.bcb.gov.br); credit the Banco Central do Brasil when you show it. Free on looot: $0 per call.