[Deprecated] 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.

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.

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

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

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

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

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,...

This gem implements the REST API of the Sisow payment provider.

acts_as_payment is a rails plugin that enables you to work with bills.

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

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

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

Payoneer provides businesses with international money transfer services and global payments

[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.

Spree Engine for Conekta Mexican Payment gateway

Payment Method for USA ePay SOAP Webservice

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

Wrapper around the Paypal Adaptive Payments API

Adyen HPP payments for Solidus Stores