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Active Merchant ↑

This library is supposed to aid in creating e-commerce software in Ruby. In the future we want to support all “good” payment gateways.

This library is the foundation of commerce for www.shopify.com.

Please visit the ActiveMerchant homepage for more resources, tutorials and other information about this project.

Supported Direct Payment Gateways ↑

The ActiveMerchant Wiki contains a table of features supported by each gateway.

Supported Offsite Payment Gateways ↑

Download ↑

Currently this library is available with git from:

git://github.com/Shopify/active_merchant.git

Installation ↑

From Git ↑

You can check out the latest source from git:

> git pull git://github.com/Shopify/active_merchant.git

As a Rails plugin ↑

ActiveMerchant includes an init.rb file. This means that Rails will automatically load ActiveMerchant on startup. Run the following command from the root directory of your Rails project to install ActiveMerchant as a Rails plugin:

> ./script/plugin install git://github.com/Shopify/active_merchant.git

From Ruby Gems ↑

Installation from RubyGems

> gem install activemerchant

Sample Usage ↑

require 'rubygems'
require 'active_merchant'

# Use the TrustCommerce test servers
ActiveMerchant::Billing::Base.mode = :test

# ActiveMerchant accepts all amounts as Integer values in cents
# $10.00
amount = 1000

# The card verification value is also known as CVV2, CVC2, or CID
credit_card = ActiveMerchant::Billing::CreditCard.new(
                :first_name         => 'Bob',
                :last_name          => 'Bobsen',
                :number             => '4242424242424242',
                :month              => '8',
                :year               => '2012',
                :verification_value => '123'
              )

# Validating the card automatically detects the card type
if credit_card.valid?

  # Create a gateway object for the TrustCommerce service
  gateway = ActiveMerchant::Billing::TrustCommerceGateway.new(
              :login => 'TestMerchant',
              :password => 'password'
            )

  # Authorize for the amount
  response = gateway.purchase(amount, credit_card)

  if response.success?
    puts "Successfully charged $#{sprintf("%.2f", amount / 100)} to the credit card #{credit_card.display_number}"
  else
    raise StandardError, response.message 
  end
end

Contributing ↑

Please see the ActiveMerchant Guide to Contributing for information on adding a new gateway to ActiveMerchant.