the Jpay gem provides Ruby APIs for proccessing payments, transactions and verifications using JahanPay's Merchant APIs. For more information please visit JahanPay website

jQuery.payment is a general purpose library for building credit card forms, validating inputs and formatting numbers.

Quickly add payment to your rails app using xendit.

Kill Bill payment plugin for First Data e4.

Ruby library for Nihaopay payment gateway API

Lipisha Payments Ruby SDK.

FirstData payment plugin using ActiveMerchant for use with Lolita CMS

Paypal payment plugin using ActiveMerchant for use with Lolita CMS

A gem for send and verify payments with mellat bank(beh pardakht)

To interact with BillsPayment's API

綠界全方位金流串接用SDK

Client for the Mollie API (currently iDEAL-only)

Generate payment order under the multicash spec

A gem to ease setup of Stripe Marketplace Payments

This gem serves as a Ruby wrapper for the NetRegistry Payment Gateway's API. Official documentation can be found at http://www.netregistry.com.au/ee-images/uploads/support/NR-ecom-gateway8.pdf. Source can be found on https://github.com/carnextnoor/net_registry

A number of fully-tested clients for interacting with all of the available postcode anywhere services, including capture, cleansing, payment validation and email validation

Paid is the programmatic way to manage payments. See https://paidlabs.com for details.

Payment solutions with GMO services

Payment Gateway to Paybox's services

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