payment help returns you with the strings of information depending on the profile details and your order total price with help of bank api database

Payzen payment form generator

The PayPal REST SDK provides Ruby APIs to create, process and manage payment.

Merchant signature calculator for Adyen (https://www.adyen.com) payments service. It is implementation of HPP HMAC (SHA-256) algorithm from Adyen documentation (https://docs.adyen.com/display/TD/HPP+HMAC+calculation).

Making payments via Skrill (formerly Moneybookers)

Views to see Order, Payment and Shipment Papertrail versions

Adds the ability to view payment logs in the admin

Cash on delivery payment method for Spree

Adds PayPal Express as a Payment Method to Spree store

HD Wallet Generation, Payment and Accounting System! BIP32 and BIP39 compatible

This API supports all services required to make cross border payments using Earthport's network.

Affirm payments solution

Add support for Pagseguro checkout as a payment method.

Plugin that implements CompraFacil Payments.

Qiwi payments solution

A third-party cryptocurrency payment gateway. Make it easy for receiving cryptocurrency! More information at https://cubepay.io.

Zip.com payment processor integration for Workarea Ecommerce.

Help you to handle all requests to saman payment gateway

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

Paiement CIC is a gem to ease credit card payment with the CIC / Crédit Mutuel banks system. It's a Ruby on Rails port of the connexion kits published by the bank.