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

Integrates the mpay24 credit card and online payment processing system into the spree web shop

Outsource your check writing and other payment services to Wells Fargo's API via this Ruby client.

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

Adds payment method for robokassa.ru

Verifies webtopay.com (mokejimai.lt) payment data transfer

Spree extension for integration with PayPal Website Standard payment

Simple mollie.nl iDEAL payment processor integration Gem

iPay is a simple library for interfacing with Planet Payments payment solutions API, iPay. For more information visit http://www.ipay.com

Leverages the invoicing API in order to seamlessly accept bitcoin denominated payments

A wrapper for PintPay's payment API and webhooks.

Ruby client for Moneybookers Automated Payment Interface and Payment Gateway

Active Merchant is a simple payment abstraction library used in and sponsored by Shopify. It is written by Tobias Luetke, Cody Fauser, and contributors. The aim of the project is to feel natural to Ruby users and to abstract as many parts as possible away from the user to offer a consistent interface across all supported gateways. This version customized version has support to braspag a brazillian payment gateway

Simple integration with Tiger Payment Solutions direct-post API

ActivePayment is an abstraction layer for different Payment-Interfaces (XML, JSON)

Stripe is the easiest way to accept payments online. See https://stripe.com for details.

This library is meant to interface with PayPal's Adaptive Payment Gateway.

Eway payment Api

Add PayPal Adaptive Payments to Spree store

Payment method for onpay.ru