Nordea::Siirto implements requests according to Nordea Siirto protocol, which enables real time payments for select Finnish bank accounts

simple check at paypal create payment heartcheck

Ruby client to process mobile payment with Orange Money webpay API.

PaymobAccept is a Ruby gem created by OneOrder tech team for integrating Paymob payment solutions with your Ruby application.

This is an unofficial rest client gem for the Authroize payment gateway service. The official version does not allow for submission of extra info like billing and shipping information and customer meta data like their email. Maybe the offical gem could be hacked but we opted instead to make this ...

The offsite payments implemented for NewebPay

Manage your professional association online. Membership categories, applications to join and reclassify, annual dues payments and more.

Adds PayPal API Checkout as a Payment Method to Spree Commerce

The Sezzle API is intended for merchants interested in accepting Sezzle Pay as a payment option. This gem was generated from the Sezzle v2 OpenAPI Specification using the Swagger Editor and modified from SwaggerClient to SezzleClient throughout.

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

There are only a few way to calculate prorations & manage recurring payments.

Coinbase Commerce integration client for crypto payments

Tinkoff Ruby API wrapper for payments and e2c payouts.

This Ruby Gem is the official reference client for the Block.io payments API. To use this, you will need the Dogecoin, Bitcoin, or Litecoin API key(s) from Block.io. Go ahead, sign up :)

This library generates credit card numbers using the Luhn algorithm, suitable for testing payment systems and form validations.

Ruby Implementation of the Monero Payment Request Standard. https://github.com/lukeprofits/Monero_Payment_Request_Standard

Provides Paypal payment integration for spree

Paychangu is a Ruby gem that allows you to interact with Paychangu.com's API and perform several operations like: creating payment links, creating virtual cards etc

Activemerchant patch for china online payment platform alipay

This gem can help you integrate Alipay Dual-function Payment.