require 'danconia' ActiveRecord::Base.establish_connection adapter: 'sqlite3', database: ':memory:' ActiveRecord::Schema.define do create_table :exchange_rates do |t| t.string :pair, limit: 6 t.decimal :rate, precision: 12, scale: 6 t.index :pair, unique: true end end Danconia.configure do |config| config.default_exchange = Danconia::Exchanges::CurrencyLayer.new(access_key: ENV['ACCESS_KEY'], store: Danconia::Stores::ActiveRecord.new) end # Periodically do this puts 'Updating dates with CurrencyLayer API...' Danconia.config.default_exchange.update_rates! puts Money(1, 'USD').exchange_to('EUR').inspect # => 0.854896 EUR