#144 Active Merchant Basics

Jan 12, 2009 | 10 minutes | Tools, Plugins, eCommerce

Active Merchant is a great library for handling credit card transactions. In this episode I will show you the basics of using it to communicate with PayPal's gateway.

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          bash
                
        sudo gem install activemerchant
        
sudo gem install activemerchant

          ruby
                
        require "rubygems"
require "active_merchant"

ActiveMerchant::Billing::Base.mode = :test

gateway = ActiveMerchant::Billing::PaypalGateway.new(
  :login => "seller_1229899173_biz_api1.railscasts.com",
  :password => "FXWU58S7KXFC6HBE",
  :signature => "AGjv6SW.mTiKxtkm6L9DcSUCUgePAUDQ3L-kTdszkPG8mRfjaRZDYtSu"
)

credit_card = ActiveMerchant::Billing::CreditCard.new(
  :type               => "visa",
  :number             => "4024007148673576",
  :verification_value => "123",
  :month              => 1,
  :year               => Time.now.year+1,
  :first_name         => "Ryan",
  :last_name          => "Bates"
)

if credit_card.valid?
  # or gateway.purchase to do both authorize and capture
  response = gateway.authorize(1000, credit_card, :ip => "127.0.0.1")
  if response.success?
    gateway.capture(1000, response.authorization)
    puts "Purchase complete!"
  else
    puts "Error: #{response.message}"
  end
else
  puts "Error: credit card is not valid. #{credit_card.errors.full_messages.join('. ')}"
end
        
        
        
        
        
        
        
        
        
      
require "rubygems"
require "active_merchant"

ActiveMerchant::Billing::Base.mode = :test

gateway = ActiveMerchant::Billing::PaypalGateway.new(
  :login => "seller_1229899173_biz_api1.railscasts.com",
  :password => "FXWU58S7KXFC6HBE",
  :signature => "AGjv6SW.mTiKxtkm6L9DcSUCUgePAUDQ3L-kTdszkPG8mRfjaRZDYtSu"
)

credit_card = ActiveMerchant::Billing::CreditCard.new(
  :type               => "visa",
  :number             => "4024007148673576",
  :verification_value => "123",
  :month              => 1,
  :year               => Time.now.year+1,
  :first_name         => "Ryan",
  :last_name          => "Bates"
)

if credit_card.valid?
  # or gateway.purchase to do both authorize and capture
  response = gateway.authorize(1000, credit_card, :ip => "127.0.0.1")
  if response.success?
    gateway.capture(1000, response.authorization)
    puts "Purchase complete!"
  else
    puts "Error: #{response.message}"
  end
else
  puts "Error: credit card is not valid. #{credit_card.errors.full_messages.join('. ')}"
end