Provides the feature for a Spree store to allow user to club payment methods to pay for the order

For generating payment files for various banks

Spree extension to manage recurring payments/subscriptions using Stripe Payment Gateway.

PayPal Express Checkout API Client for Instance, Recurring and Digital Goods Payment.

Enable spree store to allow payment via PAGA Gateway (an online payment solution for Africa).

Implementation of ISO 20022 payment initiation (pain) messages and bank providers for wire transfers

Spreedly is a cloud service that allows you to store credit cards and run transactions against them, enabling you to accept payments on your website while avoiding all liability and PCI compliance requirements.

Payment Method for Skrill Transactions for Spree

A Rubygem for talking to DPS's PxFusion payment product

TrueLayer provides instant access to open banking to easily integrate next-generation payments and financial data into any app.This helps easily sign TrueLayer API requests using a JSON web signature.

A gem to deal with Wechat payment.

Authorize.Net SDK includes standard payments, recurring billing, and customer profiles

This is a Payment Module for Spree that gives you the ability to process payments through emerchantpay's Payment Gateway - Genesis.

Payment Method for USA ePay SOAP Webservice

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

Parse and generate supplier payment files for "Leverantörsbetalningar" in Bankgirot.

Integration with PayTrace Payment Gateway

Implemention of Payments Initiation (ISO 20022)

Accepts orders via http, returns payment info via http or streams updates via websockets, stores orders in a DB

Drop Zone is a solution to the problem of restricted sales in censored markets. The proposal is for the design of a protocol and reference client that encodes the location and a brief description of a good onto The Blockchain. Those wishing to purchase the good can search for items within a user-requested radius. Sellers list a good as available within a geographic region, subject to some degree of precision, for the purpose of obfuscating their precise location. Goods are announced next to an expiration, a hashtag, and if space permits, a description. Once a buyer finds a good in a defined relative proximity, a secure communication channel is opened between the parties on the Bitcoin test network ("testnet"). Once negotiations are complete, the buyer sends payment to the seller via the address listed on the Bitcoin mainnet. This spend action establishes reputation for the buyer, and potentially for the seller. Once paid, the seller is to furnish the exact GPS coordinates of the good to the buyer (alongside a small note such as "Check in the crevice of the tree"). When the buyer successfully picks up the item at the specified location, the buyer then issues a receipt with a note by spending flake to the address of the original post. In this way, sellers receive a reputation score. The solution is akin to that of Craigslist.org or Uber, but is distributed and as such provides nearly risk-free terms to contraband sellers, and drastically reduced risk to contraband buyers.