provides credit card payments through Cardia

Do payments with MB

CCAvenue Payment Gateway.

Basic API client for President Collect Payment Service

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

Tools to implement the ePay payment gateway

virtual account generator, and payment callback parser

Eway payment Api

A rack-mountable version of the Pin Payments API

Flow Method Payment Integration

Fork of Robokassa gem with only basic payment support

GMO-PG is No.1 Payment Gateway in Japan. See https://www.gmo-pg.com for details.

Ruby client for the protocol type API provided by GMO Payment Gateway.

Kaznachey payments api

A simple wrapper around the IATS Payments SOAP service

Generate references for IFMB payments (portuguese ATM payment service from IFTHEN)

iDEALv3 payment gateway (see http://www.ideal.nl)

A utility gem with basic interswitch payment functionalities

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

Lightweight wrapper for Paypal's Adaptive Payments API.