MoneyUnify - A Simplified USSD Mobile Money Payments API that allows you to collect and disburse money from and to your customers using various mobile money network providers, in one place. Used in Africa and around the world for online Payments. Supports MTN Mobile Money, AirtelMobile Money, and Zamtel Mobile Money.

Rapyd Flutter SDK for accessing the Payments API

Self-hosted white-label crypto payment processing platform (PSP) — one-command installer. Accept crypto payments, send payouts, hosted checkout, merchant cabinets, admin panel & API under your own brand on your own server. Bitcoin, Ethereum, Tron, TON, Solana, USDT. Powered by Crypto Chief.

Official Go SDK for the Crypto Chief crypto processing API - accept crypto payments, send payouts & mass payouts, sign on-chain transactions, manage wallets, and verify webhooks across Ethereum, Tron, TON, Solana & Bitcoin. Typed, zero-float, goroutine-safe.

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Learn how to send requests and catch webhooks using Rapyd Checkout and WhatsApp.

Simple Anypay.io API for python

🎫 Node.js wrapper for Blockchain.com's Payments API

The simplest Go payment library for the Cybersource REST API.

Java/Scala API for integration with payment systems (Qiwi, WM, P24, AdvCash)

Flutter practice app showcasing secure payment methods

This plugin contains the Pronamic Pay integration for the Worldline Direct Hosted Checkout.

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A type-safe, fluent Java SDK for the Zimbabwe Ecocash Open API. Supports payment initiation, transaction status polling, and refunds for both sandbox and live environments.

Agentic commerce infrastructure — connect MONEI payments to Claude, ChatGPT, and any MCP client

💸 Using the Braintree "Drop-in Tutorial" as a vehicle to learn more about online payments

Unofficial Stanbic Kilele Payments Nodejs Client

Agentic Commerce Protocol demo

Backend service for AIleana: A demo API for secure wallet management, automated payment processing, and real-time call session tracking. Built with Node.js, JWT, and OpenAPI 3.0.