[Deprecated] The PayPal REST SDK provides Ruby APIs to create, process and manage payment. It is recommended to use paypal-server-sdk instead

PayPal Express Checkout API Client for Instance, Recurring and Digital Goods Payment.

Offsite Payments is a simple abstraction library used in and sponsored by Shopify. It is written by Tobias Luetke, Cody Fauser, and contributors. The aim of the project is to put as simple an abstraction as possible on top of offsite (often called hosted) payment pages, and allow contributors to ...

Kill Bill payment plugin for Litle & Co.

Accept online payments, create a Platform, and pay out to your sub-entities, sellers and service providers.

Radiant Shop is an attempt at a simple but complete store. It includes Products, Categories, Orders and Credit Card Payments

A simple library for making ERC20 manipulations as easy as they can be for cryptocurrency newbies: checking balance, sending payments, and monitoring addresses for incoming payments. The library expects Ethereum node to provide JSON RPC and Websockets API.

Balanced is the payments platform for marketplaces.

Collection of Payment Gateways for Spree Commerce such as Stripe, Braintree, etc.

A Ruby gem wrapper for the pin-payments (pinpayments.com) API

Kill Bill Plugin to test the payment plugin api.

Spree extension for integration with PagSeguro payment. Based on spree_pp_website_standart gem

Authorize.Net SDK includes standard payments, recurring billing, and customer profiles

Integration with PayTrace Payment Gateway

Pampa is a Ruby library for async & distributing computing providing the following features: - cluster-management with dynamic reconfiguration (joining and leaving nodes); - distribution of the computation jobs to the (active) nodes; - error handling, job-retry and fault tolerance; - fast (non-d...

Library for PayKassa Service. Send and recieve payments.

Kill Bill payment plugin for Cybersource.

Mollie payment gateway for Spree Commerce.

Package to simplify including the Adyen payments services into a Ruby on Rails application. The package provides functionality to create payment forms, handling and storing notifications sent by Adyen and consuming the SOAP services provided by Adyen. Moreover, it contains helper ...

One-off and subscription payments for your Rails application