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.

Do design No code 💻📱🛒📚

The first open source crowdfunding platform for creative projects in the world

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

Bitcart is a free and open-source self-hosted payment processor for BTC, LTC, BCH, XMR, ETH, TRX, USDT and more

simple laravel payment package , supports multiple drivers

درگاه اتصال به بانک های ایرانی ( درگاه پرداخت بانک ملی ایران،بانک سامان، بانک ملت، درگاه پرداخت زرین پال و ... ) با استفاده از پایتون

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

A complete payment library for Elixir and Phoenix Framework

ReactJS library for implementing paystack payment gateway

PHP SDK for Authorize.Net API

Official Midtrans Payment API Client for PHP | https://midtrans.com

Payment Connector for Midtrans and Xendit. Sample site that is using this payment proxy is https://imrenagi.com/donate

Cheatsheet of test payment cards for various payment gateways

Provides RESTful API, tools, adapters, and connectors for transparent access to open banking API's (for banks that support PSD2 and XS2A as well as HBCI/FinTS)

Sub2API 自托管充值支付网关 — EasyPay 易支付聚合、支付宝官方、微信官方、Stripe 四渠道支付，自动到账 | Self-hosted payment gateway for Sub2API — EasyPay, Alipay, WeChat Pay & Stripe with auto balance credit

A curated collection of open source fintech libraries and resources.

Python client for the YooMoney (ex-Yandex.Money) API — sync & async, Pydantic models, type-safe

💰 Self-hosted Bitcoin payment gateway (฿)