Added a calculator for PaymentMethod for Spree

Add PayPal Adaptive Payments to Spree store

If you are tracking any kind of assets the currencies gem is for you. It contains every currency in the ISO 4217 standard and allows you to add your own as well. So if you decide to take sparkly buttons as a form of payment you can use currencies to display the shiny button unicode symbol ☼ (disc...

In the last few years digital currencies have successfully demonstrated their ability to become an alternative financial instrument in many different markets. Most of the technologies available at the moment are based on the principles of Blockchain architecture, including dominating currencies l...

Receipts for your Rails application that works with any payment provider.

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

A Ruby gem for integrating with RMA Payment Gateway API, including Payment Authorization, Debit payment request, and Payment OTP confirmation.

[Deprecated] It is recommended to use paypal-server-sdk instead. 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.

[Deprecated] The PayPal REST SDK provides Ruby APIs to create, process and manage payment. It is recommended to use paypal-server-sdk instead

This library is meant to interface with PayPal's Adaptive Payment Gateway.

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

Implemention of Payments Initiation (ISO 20022)

The Payments API file handles creating and processing payments, including card authorization, fraud checks, and settlements

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

CPS (Complete Payment Systems) card payment service API in Ruby

Creates buttons to manage paying with amazon payments. Can be used for direct payments or merchant payments

Rails Payment Sandbox helps developers test payment flows locally without hitting real gateways. It simulates Stripe, Razorpay, PayPal, and provides fake transactions with random statuses.

Payment library seeking to make payment interactions simple and reusable.

This gem generates UPI QR codes for payments. It can be used in e-commerce applications to generate QR codes for payments. The QR codes can be scanned by UPI apps to make payments. The gem uses the rqrcode gem to generate the QR codes.

The gem abstracts away the low-level details of the API, providing a simple and intuitive interface for sending payment requests, checking payment status, and managing payment callbacks