React wrapper of Checkout.com Frames.

A Django-based freelance marketplace platform connecting freelancers and clients, enabling project collaboration, management, and secure payments

AegisPay is a production-grade payment orchestration SDK built with TypeScript and Node.js, designed for high-volume, mission-critical payment processing. It leverages advanced concurrency control, formal state machines, transactional outbox, event sourcing, and intelligent routing to ensure correctness, reliability, and scalability.

The Smallest POS terminal to cover all your needs Customize your payment experience to suit your brand image. The cheapest chip ever in a payment terminal and all-day battery life to let you do more and charge less. All this so that you can accept all modes of payments, in-store or in mobility.

A secure Django-based web application for creating, storing, and verifying electronic cheques using blockchain principles and RSA encryption.

Implemented highly secure payment gateway on a MERN stack website

Square Payments plugin for Vendure e-commerce. Full payment lifecycle, PCI-compliant tokenization, sandbox/production support. Zero config needed!

The PHP SDK for SwiftWave facilitates seamless integration of SwiftWave's secure money transaction functionalities into PHP-based applications. Effortlessly manage transactions, send and receive payments, access currency exchange, and leverage SwiftWave's robust features within your PHP projects.

A mobile app for iOS and Android that lets users book services like parking or lockers with real-time availability, secure payments, and barcode/PIN access.

Voucher & gift card e-commerce backend system – built with Laravel & MySQL. Private codebase, public project showcase.

This repository provides the Vorta API for integrating PayPal payment processing into your applications. It offers tools for seamless PayPal transactions, enabling efficient payment management and integration with your systems.

A comprehensive and up-to-date TypeScript-first Paystack API client for Node.js, designed to make integrating Paystack’s payment services seamless and developer-friendly. It is generated directly from Paystack’s API specification, ensuring that the SDK stays aligned with the official API surface.

A comprehensive Android demo app showcasing NFC, UPI, and Card payment methods with PIN security, haptic feedback, swipe gestures, and real-time validation. Built with Kotlin and Material Design.

Designed and implemented a scalable backend for a hotel reservation platform, handling authentication, bookings, and Stripe-based payments through RESTful APIs with robust error handling and secure transaction workflows.

MugglePay Secure 担保交易

This repository provides a comprehensive payment gateway solution for PayPal.

This repository provides the Vorta API for integrating PayPal payment processing into your applications. It offers tools for seamless PayPal transactions, enabling efficient payment management and integration with your systems.

FreshCart App is an e-commerce website featuring authentication, fully validated forms for registration, login, password recovery, shopping cart, wishlist, checkout process, and payments.

Cepta Payment Gateway for WooCommerce

A lightweight Node.js + TypeScript backend that simulates a payment gateway proxy with fraud risk detection and LLM-based decision explanations.