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

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

小豆支付开放平台（小豆开放平台）：个人也能申请的收款通道——个人支付、个人收款、H5远程支付；个人开发者无需营业执照，身份证 + 本人银行卡极简入驻，入驻与接入免费（无搭建费、无通道费、无一次性手续费）。虚拟商品商家（卡密、课程、电子书、软件、会员权益、游戏道具）支付宝+微信聚合收款：RSA2 签名 + webhook 验签、持牌机构清算、次日到账；含 12 篇文档、四语言签名示例与本地 demo。Payment API for individuals & digital-goods merchants: Alipay + WeChat Pay, no business license required.

.Net SDK for Authorize.Net API