Adds Cielo as a Payment Method to Spree Commerce

Adds payment method for robokassa.ru

Kill Bill payment plugin for Paypal Express Checkout.

Syncs your AR models with Braintree (Payment Gateway) and offers a lightweight reoccurring billing script

iDEAL payment gateway for ActiveMerchant (see http://www.ideal.nl and http://www.activemerchant.org/)

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

trade, payment

Ruby client library for integrating with Affirm financing payments

Unofficial alfabank payment gateway gem

Stripe Payments Integration with Catarse crowdfunding platform.

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

A soapy interface to ACH Direct's PaymentsGateway.com service.

Payu (polish payment service) rails engine.

Integration with PayTrace Payment Gateway

Paysera.com payment API

Gem using curl to post to Venmo payment gateway

PingPlusPlus is the easiest way to accept payments online. See https://pingxx.com for details.

Payments platform for marketplaces

A Ruby wrapper of Tenpay(财付通) Payment API

This gem consume the API's and integrate with your's project DB.