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

Accept payments using Beanstream and Ruby

Zip.com payment processor integration for Workarea Ecommerce.

Help you to handle all requests to saman payment gateway

Midtrans payment gateway for Spree framework

Command line client for Ripple payment platform

API to integrate POLi payment gateway -- http://www.polipayments.com

Ruby Merchant SDK for COINQVEST. Programmatically accept and settle payments in digital currencies.

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

API client library for DIDWW payment gateway (UPS)

THIS GEM IS STILL IN DEVELOPMENT STAGE. Find documentation here: https://github.com/leandrosardi/invoicing_payments_processing.

Integrate Flow Commerce's international payments into the Workarea Commerce Platform

A wrapper for PintPay's payment API and webhooks.

Paytrail Merchant API allows merchant to create and delete refunds for payments made via Paytrail

API for sending and managing payments

miao payment

The PayPal Button Manager SDK provides Ruby APIs to create, and manage PayPal Payments Standard buttons programmatically.

The PayPal Merchant SDK provides Ruby APIs for processing payments, recurring payments, subscriptions and transactions using PayPal's Merchant APIs, which include Express Checkout, Recurring Payments, Direct Payment and Transactional APIs.

Generate payment easily

Gem for Ruby on Rails Apps which integrate with PayU India Payment Gateway