Ruby gem for Rent$ payment Gateway & Intermediary

An API for using the Amazon Flexible Payment Service (FPS) - updated for version 2008-09-17 of the API.

Unofficial alfabank payment gateway gem

Allinpay payment client

This gem helps to integrate RBK Money payments into Ruby on Rails applications

Rails gem to facilitate simple payments with Ogone.

This gem provide basic methods to communicate with przelewy24 payment system

Ruby/Rails client for the Allopass online payment API

This library allows you to easily create ACH/EFT CPA005 files from Ruby.

This gem make it easier to implement payment system with Paidy

Turn-key E-Commerce for Ruby web applications

Ruby wrapper for PuntoPagos Payment API

An interface library for the PayPal Adaptive Payments service.

PaymentExpress 2.0 integration library

PayU.in Payment Gateway integration for ActiveMerchant

Simple Ruby library to interact with Paymentwall's Brick API

API to integrate POLi payment gateway -- http://www.polipayments.com

Integration of Braintree payment gateway for use with Piggybak

Adds Moneybookers payment gateway support to ActiveMerchant library

BreadMachine facilitates payment processing, including 3-D Secure, with the SecureTrading XPay gateway