Ruby on Rails gateway for SIPS/ATOS french online payments API

An API for using the Amazon Flexible Payment Service (FPS).

Paiement CIC is a gem to ease credit card payment with the CIC / Crédit Mutuel banks system. It's a Ruby on Rails port of the connexion kits published by the bank.

[Deprecated] The PayPal Adaptive Accounts SDK provides Ruby APIs to create and manage PayPal accounts, add payment methods to accounts and obtain account verification status using the PayPal Adaptive Accounts API.

SystemPay is a gem to ease credit card payment with Natixis Paiements / CyberplusPaiement bank system. It's a Ruby on Rails port of the connexion kits published by the bank.

Helping rubyist integration with cmb (China Merchants Bank) payment service (招商银行一网通支付) easier.

A Ruby library to make use of the payments API at http://realexpayments.com

Radiant Shop is an attempt at a simple but complete store. It includes Products, Categories, Orders and Credit Card Payments

An API for using the Amazon Flexible Payment Service (FPS).

Gem for use Sofort Api in Ruby. Payments and check details. SOFORT Überweisung - Sofort Api Banking

Adyen HPP payments for Solidus Stores

Pin is the easiest way to accept payments online. See https://pin.net.au/ for details.

EcoCash is the easiest way to accept mobile payments online. See https://ecocash.co.zw for more details.

Spree Engine for Conekta Mexican Payment gateway

Payment Method for USA ePay SOAP Webservice

QR-bills support for swiss payments, for full documentation please refer to github repo: https://github.com/damoiser/qr-bills

Instamojo Ruby library - Assists you to programmatically create, edit and delete offers on Instamojo. Also supports listing, updation and details of Payments, Payments Requests and Refunds.

Add Ogone payments functionality to your Rails application

Online payments using dotpay.pl

iDEAL payment gateway for ActiveMerchant (see http://www.ideal.nl and http://www.activemerchant.org/)