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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
High-performance TensorFlow library for quantitative finance.
A self-hosted UPI & COD payment gateway with zero per-transaction platform fees, universal JavaScript checkout integration, dynamic QR payments, WhatsApp OTP authentication, and automated payment verification.
TranslatedA lightweight USDT/USDC payment gateway with multi-chain support, integration guides, SDK documentation, and merchant demos.
SaaS boilerplate/starter-kit in Go+React with Stripe integration, multi-tenant support, comprehensive features and AI-agent ready
💸 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.
Adyen API Library for .NET
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.
Lightweight Java library for reading and writing fixed-width / fixed-length flat files using annotations on POJOs — for banking, payroll, EDI, mainframe, and batch integrations.
The PayPal Server SDK provides integration access to the PayPal REST APIs.
Golang SDK for Dusupay payment gateway API (Unofficial)
Fasapay payment gateway XML API Client for Go (Unofficial)