GoCoin is the best way to accept Bitcoin payments for online businesses. See https://gocoin.com for details.

To aid Cameroon businesses to make both national and international payments using MTN and Orange Mobile Money, Credit Card.

Ruby SDK for processing payments via Portico Gateway

RubyTML (or just RTML) is a Ruby framework for communicating with Ingenico's Incendo-based payment devices.

This gem consume the API's and integrate with your's project DB.

Ruby SDK for DragonPay Online Payment

Payment gem

A simple calculator for PIAWE based payments

the Jpay gem provides Ruby APIs for proccessing payments, transactions and verifications using JahanPay's Merchant APIs. For more information please visit JahanPay website

jQuery.payment is a general purpose library for building credit card forms, validating inputs and formatting numbers.

Quickly add payment to your rails app using xendit.

Kill Bill payment plugin for First Data e4.

Ruby library for Nihaopay payment gateway API

This fork contains unmerged pull requests for additional gateways.

A small sinatra server that supports all the actions Mollie iDeal API needs to make a payment. Now you can test your transactions on you local machine without having to make portforwards

Library for making payments with Mondido, visit https://mondido.com to sign up for an account.

Client for the Mollie API (currently iDEAL-only)

Generate payment order under the multicash spec

Ruby library for integrating with the MundiPagg payment web services

A gem to ease setup of Stripe Marketplace Payments