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
TranslatedWeChat development Java SDK, supporting back-end development for WeChat Pay, Open Platform, Mini Programs, WeCom (Enterprise WeChat), Channels (video accounts), Official Accounts, and more
- weixin
- wechat
- weixin-sdk
- wechat-sdk
Node.js library for the Stripe API.
PHP library for the Stripe API.
Go library for the Stripe API.
Stripe iOS SDK
Ruby library for the Stripe API.
Stripe.net is a sync/async .NET 4.6.1+ client, and a portable class library for stripe.com.
TranslatedA lightweight USDT/USDC payment gateway with multi-chain support, integration guides, SDK documentation, and merchant demos.
- crypto-payment-sdk
- multi-chain
- multi-chain-wallet
- multi-chain-wallet-api
C#/.NET client library for the Binance.com cryptocurrency exchange REST and WebSocket APIs, supporting Spot and Futures trading and market data with strongly typed models.
Java library for the Stripe API.
SDK for growing mobile in-app purchases
Flutter Plugin for Square In-App Payments SDK
Stripe Mobile SDK wrapper for Capacitor
AI-powered SDK featuring algorithmic trading, backtesting, deployment on 100+ exchanges, and multiple optimization engines.
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.
- iap
- in-app-purchases
- macos
- swift
Javascript SDK for trading on cryptocurrency exchanges like FTX, OKX, Bybit, and more. Supports API data feeds and WebSocket. Built by the Compendium Team.
- api-wrapper
- bybit
- bybit-api
- bybit-websocket
Open BTC 5-minute prediction market sandbox for AI agents — register with one API call, get 1,000 test credits, and place a live order
The PayPal Server SDK provides integration access to the PayPal REST APIs.
A comprehensive, zero-dependency Go SDK for the Paystack API
Golang SDK for Dusupay payment gateway API (Unofficial)
Fasapay payment gateway XML API Client for Go (Unofficial)