PTAX. ExchangeRates
(ptax v2.0.2)
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An ex_money exchange rate backend backed by Brazil's Central Bank (BCB)
PTAX daily closing CSV feed.
Configure it as the ex_money API module in your application:
config :ex_money, api_module: PTAX.ExchangeRatesOnce set, ex_money will call this module to populate its rate cache.