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Open source, composable payments platform | PCI compliant | SaaS and Self-host options | Enables connectivity to multiple payment, payout, fraud, vault and tokenization providers | Uplifts authorization with intelligent routing and revenue recovery | Reduce payment processing costs with cost observability | Reduces payment ops with reconciliation
A framework agnostic, multi-gateway payment processing library for PHP 5.6+
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.
In-app purchases and subscriptions made easy. Support for iOS, watchOS, tvOS, macOS, and visionOS.
API Pix: a API do Arranjo de Pagamentos Instantâneos Brasileiro, Pix, criado pelo Banco Central do Brasil.
Laravel Cashier provides an expressive, fluent interface to Stripe's subscription billing services.
PHP Payment processing library. It offers everything you need to work with payments: Credit card & offsite purchasing, subscriptions, payouts etc.
dj-stripe automatically syncs your Stripe Data to your local database as pre-implemented Django Models allowing you to use the Django ORM, in your code, to work with the data making it easier and faster.
Accept Payments with Apple Pay and Android Pay using the Payment Request API.
A pay library for Android, and which support Wechat pay and Ali pay. And developer can easily use Wechat pay in two lines of code. And developer can easily use Ali pay in three lines of code. 支持微信和支付宝两种主流支付的集成库， 两行代码实现微信支付， 三行代码实现支付宝支付
The Agentic Commerce Protocol (ACP) is an interaction model and open standard for connecting buyers, their AI agents, and businesses to complete purchases seamlessly. The specification is currently maintained by OpenAI and Stripe.
The JavaScript library for ExtensionPay.com — payments for your browser extensions, no server needed.
SHKeeper is a self-hosted and open-source cryptocurrency gateway payment processor. It's integrate with popular CMS, any e-commerce, your own code or product
Payum offers everything you need to work with payments. From simplest use cases to very advanced ones.
Lightweight Bitcoin payment processor written in easily deployable Python. Self custody donations and payments on-chain & Lightning network, directly connected to your own Bitcoin node! No middleman/custodian.
A libGDX cross-platform API for InApp purchasing.
Build, Measure and Grow iOS subscription business
Pocketbase extention built in Go with stripe webhooks currently in use at sign365.com.au and fastpocket.dev
A payment processing library for Elixir
Go middleware for monetizing your API on a per-request basis with Bitcoin and Lightning ⚡️
Multi-merchant UPI payment gateway with dynamic QR, auto-verification & signed webhooks — Laravel 12
💸 Crypto Payments straight to your wallet. DePay simplifies Web3 integration for developers, harnessing DeFi to accept any token effortlessly. Integrate frictionless, real-time token conversion with sleek, customizable widgets designed for seamless user experience.
Frames iOS: making native card payments simple
ColdFusion payment processing library makes plumbing e-commerce apps easy. Charging credit cards has never been easier. Inspired by Ruby's ActiveMerchant.