Active Merchant
A Ruby payment abstraction library extracted from Shopify, providing a unified interface to dozens of payment gateways.
What is Active Merchant?
Active Merchant is a Ruby library that provides a unified interface for integrating with dozens of payment gateways. It abstracts away the differences between various payment providers, allowing developers to process credit card payments and other financial transactions through a single, consistent API. Originally extracted from Shopify, it solves the problem of dealing with multiple, incompatible payment gateway APIs.
Ruby and Rails developers building ecommerce applications or any software requiring payment processing functionality. It's particularly valuable for teams needing to support multiple payment gateways across different regions.
Developers choose Active Merchant because it provides a battle-tested, production-ready abstraction layer that significantly reduces the complexity of integrating with multiple payment providers. Its consistent API, extensive gateway support, and active maintenance by Shopify and Spreedly make it the de facto standard for payment processing in Ruby applications.
Overview
Active Merchant is a simple payment abstraction library extracted from Shopify. 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.
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