Adds Cash on Delivery (COD) payment method option during checkout.

RESTful API for the creation of Commerce Cases with Checkouts and the execution of Payments.

Provides integration with the Fat Zebra internet payment gateway (www.fatzebra.com), including purchase, refund, auth, capture and recurring billing functionality.

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.

Payments API Ruby Gem

Active Merchant is a simple payment abstraction library used in and sponsored by Shopify. It is written by Tobias Luetke, Cody Fauser, and contributors. The aim of the project is to feel natural to Ruby users and to abstract as many parts as possible away from the user to offer a consistent interface across all supported gateways.

PayU payment gateway for Spree

Spree Commerce PayPal Checkout payment gateway integration

thai_qr_pay is a Ruby gem providing: - ASCII-numeric TLV parsing and encoding - EMVCo CRC-16/IBM-SDLC checksum computation and validation - Generators for PromptPay AnyID, PromptPay Bill Payment, TrueMoney, etc. - Validators for slip-verify and TrueMoney slip verify payloads - BOT barcode → EMVCo QR Tag-30 conversion

The `paystack_sdk` gem provides a simple and intuitive interface for interacting with Paystack's payment gateway API. It allows developers to easily integrate Paystack's payment processing features into their Ruby applications. With support for various endpoints, this SDK simplifies tasks such as initiating transactions, verifying payments, managing customers, and more.

Asaas payment processor for pay gem (Payments engine for Ruby on Rails).

A Ruby library for integrating with TapPay payment services, supporting credit card payments, refunds, and transaction queries

A Ruby library for integrating with PayOS payment services

A Ruby middleware implementation for the L402 protocol, leveraging macaroons and the Lightning Network for secure authentication and payments.

Library for MVola payment provider integration

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

The Buckaruby gem provides a Ruby library for communicating with the Buckaroo Payment Engine 3.0.

Ruby Wrapper for Midtrans Payment API.

Ruby Client for Genesis Payment Processing Gateway

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.