47,133 repositories indexed
1–23 of 23 · Most stars
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
Accept Bitcoin payments. Free, open-source & self-hosted, Bitcoin payment processor.
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.
PHP Payment processing library. It offers everything you need to work with payments: Credit card & offsite purchasing, subscriptions, payouts etc.
Stripe.net is a sync/async .NET 4.6.1+ client, and a portable class library for stripe.com.
Bitcart is a free and open-source self-hosted payment processor for BTC, LTC, BCH, XMR, ETH, TRX, USDT and more
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
Self-hosted, non-custodial stablecoin payment gateway with x402 and invoice checkout. Accepts USDC, USDT, PYUSD and DAI across 8 networks with QR payments, payment links, settlement tracking and signed webhooks. REST API, micropayments, exports, zero platform fees and no KYC. Python, cross-platform.
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
A payment processing library for Elixir
💸 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.
Payment Bundle providing access to the PayPal API
ColdFusion payment processing library makes plumbing e-commerce apps easy. Charging credit cards has never been easier. Inspired by Ruby's ActiveMerchant.
Flare is a lightweight, developer-friendly Swift framework that simplifies working with in-app purchases. It provides a clean, unified API over StoreKit and StoreKit 2, includes async/await-ready workflows, and offers built-in UI components for a seamless integration experience.
PAYONE Payment Extension for Magento 2
:credit_card: A Cordova plugin for the Braintree mobile payment processing SDK.
Wrappers around various Payment Processors
The PayPal Server SDK provides integration access to the PayPal REST APIs.
A simple, self-custodial solution for accepting private, on-chain Bitcoin payments using XPUBs and serverless functions.
Any API becomes a Lightning toll booth in one line. L402 middleware for Express, Hono, Deno, Bun, and Workers.