GMO-PG is No.1 Payment Gateway in Japan. See https://www.gmo-pg.com for details.

A Ruby client for 3Delta's credit card vault and payment gateway.

A payments engine for rails centered aorund transactional payments and orders.

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

[Deprecated] The PayPal Adaptive Payments SDK provides Ruby APIs to create, process and manage simple and complex (parallel and chained) payments, and pre-approvals using the Adaptive Payments API.

Ruby Wrapper to process payments via any installed Bygpay Payment Gateway

Accepts payment type 3 - for payments in CHF and not SEPA in pain.0001.0001.03 (ISO 20022)

Use Stellar payment channels in Ruby with ease

ErpInvoicing adds models and services to the CompassAE core to handle invoicing and billing functions. It includes extensions to the core ERP classes for accounts and things that are 'billable' (products, work efforts), and additional models for the invoices/items, payments and the application of...

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.

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

Spree billing integration for Sisow iDeal/Bancontact/Sofort/Paypal payments

This gem maps to the BB Payments API

With NitroPay your payments get cheaper, faster & simplified. Create your Account on our WebSite or Start your StartUp on NITRO START.

Adds Cielo as a Payment Method to Spree Commerce

Integration with Przelewy24 payment gateway.

SlidePay makes it ridiculously easy to take swiped payments anywhere, on any device. Check out http://www.slidepay.com for more info.

Cryptocurrency payment processor

Gem for integrating GP Webpay HTTP api and WS recurring payments with multiple merchants

EBANX is the market leader in e-commerce payment solutions for International Merchants selling online to Brazil