[Deprecated] It is recommended to use paypal-server-sdk instead The PayPal Merchant SDK provides Ruby APIs for processing payments, recurring payments, subscriptions and transactions using PayPal's Merchant APIs, which include Express Checkout, Recurring Payments, Direct Payment and Transactional...

This Ruby Gem is the official reference client for the CryptoWallet.com payments API. To use this, you will need the Bitcoin API key from cryptowallet.com. Go ahead, sign up :)

CPS (Complete Payment Systems) card payment service API in Ruby

The Boku Direct Payments API is a payment gateway API that enables merchants to accept payments through local payment methods such as digital wallets and carrier/mobile billing. It acts as a bridge between merchants and payment issuers (wallets, mobile carriers, etc.).

Payment Info Plugin allows you to add all credit card information in a single input

Use BigFish's payment methods in your ruby project.

Payfort Start is the easiest way to accept payments online in the middle east. See https://start.payfort.com for details.

A payments module for Rails

[Deprecated] The PayPal Button Manager SDK provides Ruby APIs to create, and manage PayPal Payments Standard buttons programmatically.

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

A uniform and simple way to create recurring payments with supported providers.

Payment gateway for USA ePay transaction

Views to see Order, Payment and Shipment Papertrail versions

simple gem for payanyway payment gateway

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

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

This extension adds Cash on delivery payment method to Spree

Ruby client for Payments HTTP API

SynapsePay allows you to integrate bank payments into your applications

Payture payment system API for sendind cheques separately from payments