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

This is currently a dummy until a public beta is over.

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

A Ruby gem for communicating with the payment platform of Redsys

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

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

Simplifies generating payment requests and parsing responses from banks when using iPizza protocol.

Payment Method for Skrill Transactions for Spree

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

[Deprecated] It is recommended to use paypal-server-sdk instead. The PayPal Adaptive Payments SDK provides Ruby APIs to create, process and manage simple and complex (parallel and chained) payments, and pre-approvals using the Adaptive Payments API.

The Authorize.Net Ruby SDK is meant to offer an alternate object-oriented model of development with the Authorize.net APIs (Version 3.1). The SDK is based entirely off the name-value pair API, but performs the core payment activities (such as error handling/parsing, network communication,...

Provides integration with the Fat Zebra internet payment gateway (www.fatzebra.com), including purchase, refund, auth, capture and recurring billing functionality.

A gem to provide a ruby interface for Chase Paymentech Orbital payment gateway. It has been development thus far to meet specific ends, so not all functionality is present.

Adds payment method for robokassa.ru

Add support to ActiveMerchant for the Sermepa payment gateway by Servired used by many banks in Spain

Balanced is the payments platform for marketplaces.

Qiwi payments solution

Decryption of Apple Pay payment tokens

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

This gem allows your Ruby (1.9.2+) or Rails (3.2+) app to quickly integrate with Culqi Payment processor. It handles Culqi's flavor of encryption, decryption and Culqi ticket creation.