webpay-active-merchant-example.rb

require 'active_merchant'

ActiveMerchant::Billing::Base.mode = :test
gateway = ActiveMerchant::Billing::WebpayGateway.new(:login => 'test_secret_eHn4TTgsGguBcW764a2KA8Yd')

amount = 10000  # 100 yen

credit_card = ActiveMerchant::Billing::CreditCard.new(
                :first_name         => 'Kei',
                :last_name          => 'Kubo',
                :number             => '4242424242424242',
                :month              => '8',
                :year               => Time.now.year+1,
                :verification_value => '000')

if credit_card.valid?
  response = gateway.purchase(amount, credit_card)

  if response.success?
    puts "Charged #{sprintf("%.2f", amount / 100)} yen to #{credit_card.display_number}."
  else
    raise StandardError, response.message
  end
end