Gem for use Sofort Api in Ruby. Payments and check details. SOFORT Überweisung - Sofort Api Banking

Adyen HPP payments for Solidus Stores

Integration of Stripe payment gateway for use with Piggybak

Balanced is the payments platform for marketplaces.

Gem for dealing with epay.bg payments.

Liqpay.com payment gateway integration for Spree E-Commerce.

Paysera.com payment API

Spree Engine for Conekta Mexican Payment gateway

Integrates Mercado Pago with Spree

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

Client that enables access to the Payson payment gateway API.

GP webpay, easy to implement payment gateway

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.

WebPay is payment gateway service in Japan. See also https://webpay.jp/.

A Jekyll plugin to add Web Monetization API payment pointers to your site

CloudPayments ruby client

Ruby client library for integrating with Affirm financing payments

EPC QR code for SEPA payments in any format

Simple rails engine to add payments to your web application using sermepa standard web tpv

This engine allows users to inject requests into a queue to be processed. The queue handles bank account validations, credit payments, debit orders and collecting bank statements/notify me statements.