K-Payment Gateway is a payment service for processing credit card transactions that accept VISA Cards, MasterCard Cards, American Express, JCB Cards and China UnionPay Cards issued by banks worldwide. Participating online merchants can receive real time approval of credit card online transactions...

Adds Saferpay Payment Page and Transaction payment methods to your Solidus application

White is the easiest way to accept payments online in the middle east. See https://whitepayments.com for details.

Kaznachey payments api

A simple wrapper around the IATS Payments SOAP service

A comprehensive payment processing and business management API that enables seamless integration of cryptocurrency and traditional payment methods.

iDEALv3 payment gateway (see http://www.ideal.nl)

Kill Bill Plugin to test the payment plugin api.

One-off and subscription payments for your Rails application

koduc_express_paypal is a simple gem used for Paypal Payment Gateway integration with partial and full refunds. This gem is written by KSolves. The main aim of this project is to deal with the one time Paypal payment using express checkout method using NVP(Name Value Pair). One can also make part...

A Ruby gem for integrating with Zai payment platform APIs.

PNZ Payments Account and Transaction API

Adds Bank Transfer payment method option during checkout.

ActiveTiger allows you to simply add payment processing to your application using Tiger Payment Solutions

Easy integration with 4All payment gateway

Enable spree store to allow payment via UnifiedPayment

Adds Cash on Delivery (COD) payment method option during checkout.

A Ruby gem for integrating with Przelewy24 (P24), a popular Polish payment gateway. Provides transaction registration, verification, payment method discovery, and notification handling with signature verification.

Ruby client for Moneybookers Automated Payment Interface and Payment Gateway

Allow to upload a payment method image