This gem implements the REST API of the Sisow payment provider.

Paysera.com payment API

Add support to ActiveMerchant for the Sermepa payment gateway by Servired used by many banks in Spain

Instamojo Ruby library - Assists you to programmatically create, edit and delete offers on Instamojo. Also supports listing, updation and details of Payments, Payments Requests and Refunds.

Sermepa is a spanish payments gateway

Client that enables access to the Payson payment gateway API.

Stripe Payments Integration with Catarse crowdfunding platform.

Integrates Mercado Pago with Spree

A simple gem to integrate Rails app with Webpay Interswitch, a nigerian payment gateway

Easier Rabobank OmniKassa payments

Add Ogone payments functionality to your Rails application

Wrapper around the Paypal Adaptive Payments API

Embed QuickPay's secure payments directly into your Ruby applications. Learn more at https://tech.quickpay.net

Validation for Dutch bank account numbers, Citizen Service Numbers (BSN) and Payment reference

Payments platform for marketplaces

A gem to deal with Wechat payment.

Integration with polish payment method: Przelewy24

Provides integration with the Fat Zebra internet payment gateway (www.fatzebra.com), including purchase, refund, auth, capture and recurring billing functionality.

Allows easy calculation of revenue sharing by app and in-app purchases. Munges the monthly CSV reports from Google Play or Amazon Android app stores. Does Amazon currency conversions and verifies against payment amounts.

This gem allows your Ruby (1.9.2+) or Rails (3.2+) app to quickly integrate with Culqi Payment processor. It handles Culqi's flavor of encryption, decryption and Culqi ticket creation.