Ruby SDK for Cryptomus Crypto Payment Gateway.

It implements Cards and Payments from aceitaFacil doc spec.

PayU SDK in Ruby for Payments API and Reports API

Cryptocurrency payment processor

Ruby wrapper for Portmone payment system API

SAKIDE encryption modul for CIB bank credit card payments

Payzen payment form generator

trade, payment

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

Gem for Ruby on Rails Apps which integrate with FonePaisa Payment Gateway

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!

TPaga Payment Gateway API [Learn about TPaga](https://tpaga.co) [More information about this library] (http://tpaga.co/docs)

Peoples Payments Ruby Client

Solidus Engine for Openpay Mexican Payment Gateway

I hope to communicate to developers of web apps, especially of those handles payment information, that they should be aware of what they trust when developing an app. This should make the app more secure and make the developers aware of when to update gems or certs.