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.

Ruby library for PaynetEasy payment API.

Provides generated HTML data for Rails apps.

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

Interface to the Payoneer API

This library provides integration with Payoneer V4 API

Payoneer Ruby SDK

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."

HTTP Adapters for PayPal SDK

Generate payment easily

API client for PayPoint's 3rd generation PSP product a.k.a PayPoint Blue