payment-integration

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

One library | Many payment processors | Scale to multiple processors with few lines of code.

The first agentic payment network: policy-controlled, gasless, and real money-ready. OmniClaw CLI + Financial Policy Engine let autonomous agents pay and earn safely at machine speed.

ReactJS library for implementing paystack payment gateway

PHP SDK for Authorize.Net API

📱Android Library to implement UPI Payment integration easily in Android App 💳💸

🚀 Creatly backend app

台灣第三方金流 Skills for AI Agents - 藍新金流、綠界科技 ECPay、統一金流 PAYUNi

小豆支付开放平台：个人也能申请的支付宝+微信聚合收款接口——RSA2 签名 + webhook 验签、持牌机构清算、次日到账；兼容易支付 / 彩虹支付类插件协议零代码迁移（submit.php / mapi.php / api.php，网关 / 商家 ID / 密钥三格配置）；支持多到账账号收款分配与分账；含 14 篇文档、四语言签名示例与本地 demo。Payment API for individuals & digital-goods merchants: Alipay + WeChat Pay, epay-compatible, no business license required.

Adyen Web Drop-in and Components

pay gateway. support alipay,wechatpay,unionpay,jdpay etc.

Sell what you want without paying double commissions. Self hosted alternative for Gumroad, Buy Me a Coffee, Ko-fi etc.

ARCHIVED — moved to internal GitLab. Latest data: https://static.openfintech.io/raw/

ISO 8583 gateway

Inspired by the need for freedom in app monetization. Thanks to the open-source community for their invaluable contributions to software freedom.

Scalable Django E-Commerce, perfect to start one new online shop project.

Paddle.com API integration for Laravel with support for webhooks/events

A PHP sdk for the new Mpesa RESTful APIs

Adyen API Library for PHP

.Net SDK for Authorize.Net API