Peakium allows global, flexible recurring payments. See https://peakium.com for details.

A Ruby library for interacting with v1 of the Pin Payments API

Provides an implementation of the Pin Payments API (pin.com.au) for Ruby and Rails projects

Postino allows you to generate Italian postal payment forms in PDF format using Prawn.

Provides complete access to PayPal's Adaptive Payments API

Integration with Przelewy24 payment gateway.

Add social payments to your business by adding a ‘Pay with Pygg’ button to your site!

Moncash sdk to perform and retieve payment to moncash api

With moolah.io you can process payments in-store and online. Rmoolah is a API wrapper for moolah.io

rocketgate-ruby is a simple interface for communicating with RocketGate's Payment Gateway

Merchant signature calculator for Adyen (https://www.adyen.com) payments service. It is implementation of HPP HMAC (SHA-256) algorithm from Adyen documentation (https://docs.adyen.com/display/TD/HPP+HMAC+calculation).

Views to see Order, Payment and Shipment Papertrail versions

Adds the ability to view payment logs in the admin

simple gem for payanyway payment gateway