A simple gem to calculate amortizing loan payments, as part of training at Samyukti

A RubyGem that interfaces with the Authorize.net payment gateway

This gem provides a Rails interface to the Amazon Simple Pay payment service.

Adds activemerchant gateway support for hash validation, querying transactions, and submitting payment via hosted forms

Beyonic.com makes enterprise payments to mobile easy. Details: http://beyonic.com

Uses blockchain.info's json API to generate 'checkout wallets' that can be associated with sales or customers. Your are notified when payments are made in multiple ways.

Bitsy Client gem used to create and query payment depots

This Ruby Gem is the official reference client for the Block.io payments API. To use this, you will need the Dogecoin, Bitcoin, or Litecoin API key(s) from Block.io. Go ahead, sign up :)

Bollettino is a tool for generating Italian postal payment slips.

This gem makes possible to generate Bank Intermedium's payment slips in ruby

Console client for accessing Braintree payment gateway

A Lyre for Braintree's payment gateway

BreadMachine facilitates payment processing, including 3-D Secure, with the SecureTrading XPay gateway

Simple Ruby library to interact with Paymentwall's Brick API

Ruby support for Buckaroo Payment Engine 3.0

Ruby gem for easebuzz payment process.

Integrate Flow Commerce's international payments into the Workarea Commerce Platform

DIBS payment gateway library

Doku Payment Gateway for ruby (rails)

Integration with Balanced Payments on dune-investissement specifically with Bank Accounts.