M-Pesa SDK for Ruby is an unofficial library aiming to help businesses integrating every M-Pesa operations to their Ruby applications.

The client handles authentication and enables users to directly issue requests to the Paymium API

Provides an interface to the paymob API.

Charge credit cards using PayMongo in Ruby.

Simple SDK interface to create transactions for the Pay.nl payment service provider.

Abstraction layer on top of Stripe/Braintree, etc so we can get Payola'ed

Interface to the Payoneer API

Ruby wrapper for Payoneer API

This library provides integration with Payoneer V4 API

Payout your customers quickly and easily. See www.payout.com for more.

Different schemes for selecting winners and their prizes in a pool betting application

Faraday based API client for the PayPal REST API. Includes support for saving the authentication token and limited release endpoints.

Parses PayPal case report CSV

Paypal webhook integration for Rails applications.

Simple hanlder for Paypal express checkout

Calculo de frete atraves do PayPal Frete Facil (http://www.paypal-brasil.com.br/fretefacil).

Performing multiple payments to PayPal using the MassPay API

PayPal Client.

"A gem to support PayPal Permissions API for Rails applications using ActiveMerchant."

Scaffold for PayPal.