Easy online payments with eWAY and the eWAY Rapid Ruby gem.

Kill Bill payment plugin for Paypal Express Checkout.

Simple REST API for the CyberSource Global Payments Platform

PayPal Express Checkout API Client for Instance, Recurring and Digital Goods Payment.

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

Implementation of Loan/Mortgage functions in Ruby language. APR function and PMT function. In calculations it includes implementation of bank fee, marketplace fee, fees for each payment to provide the most precise calculation at very high speed.

Embed QuickPay's secure payments directly into your Ruby applications. Learn more at https://tech.quickpay.net

One-off and subscription payments for your Rails application

The interface supports Account holder verifications, EFT payments, Debit orders, collecting statements.

Kill Bill payment plugin for Litle & Co.

Manage your professional association online. Membership categories, applications to join and reclassify, annual dues payments and more.

Ruby wrapper for PuntoPagos Payment API

Our APIs allow easy and secure access to bank account data and payment initiation. The account data accessible are account holder's personal information, account balances, transaction history and much more. The available payment methods depend on the banks implementation but typically are domestic transfers, SEPA credit transfer, instant SEPA credit transfer, fast payment scheme, and SWIFT international payments.

EBANX is the market leader in e-commerce payment solutions for International Merchants selling online to Brazil

Kill Bill Plugin to test the payment plugin api.

Spree extension for integration with PagSeguro payment. Based on spree_pp_website_standart gem

jquery.payment library for building credit card forms for the Rails Asset Pipeline

A straight-forward REST API for Amazon's Flexible Payments Services.

Ruby wrapper for PayGate Korea payment gateway

Integration with PayTrace Payment Gateway