WebPayでクレジットカード情報を保存することなく、課金を実現するサンプルコード。

customer_sample.rb

# coding: utf-8 
require "stripe"
Stripe.api_key =  "vtUQeOtUnYr7PGCLQ96Ul4zqpDUO4sOE" # this is a test key. change it to your API key
Stripe.api_base = "https://api.webpay.jp"
customer = Stripe::Customer.create(
  :card => {
    :number => "4242424242424242",
    :exp_month => 1,
    :exp_year => 2015,
    :cvc => 123,
    :name => "Kei Kubo"
  }
)
charge = Stripe::Charge.create(
  :amount => 1000,
  :currency => "jpy",
  :customer => customer["id"]
)
puts charge