digital-payments

Sell what you want without paying double commissions. Self hosted alternative for Gumroad, Buy Me a Coffee, Ko-fi etc.

The pi-quantum-card repository is the official development hub for the Pi Quantum Card (PQC), a revolutionary digital payment and identity solution designed to integrate quantum encryption, biometric security, and augmented reality.

Express.js API for Mexican CoDi digital payments with QR code generation and Banxico integration.

Repository for Mifos gateway for mobile money and digital payments integration

Lithe is a Playground Fork of Conceal. Only to be used in experiments.

AI Prompt Library for Securing Digital Payments, Financial Systems, and Digital Assets using Zero Trust & Defense-in-Depth Strategies

FacePay is a digital payment solution that utilizes facial recognition to authenticate customers. It was a proposal submitted to the "ADB Pay: Digital Payments" challenge of ADB-AIM Hackathon 2019.

This project is a clone of the Paytm app, focusing on replicating its core features related to digital payments and financial services. It aims to provide a learning resource for developers interested in understanding how such apps are built.

Whitepaper for a decentralized trust-based electronic voucher payment system

Photo management app using Ruby on Rails framework

Interactive PhonePe Data Analysis Dashboard built using Power BI to analyze digital payment transactions, user behavior, and business insights through interactive visualizations.

AI-powered USDC disbursements for municipal projects. Starting with Nigeria, built for every municipality worldwide.

Payment Gateway Integration using Razorpay Payment Gateway in Google Flutter App. How to setup Payment gateway in your flutter mobile app using Razorpay payment gateway and run on mobile device and web browser.

Grab — independent third-party profile of a public API surface, by API Evangelist. Grab is Southeast Asia's leading on-demand superapp, offering ride-hailing (GrabCar / GrabBike / GrabTaxi), food delivery (GrabFood), package delivery (GrabExpress), grocery and retail (GrabMart), digital payments (GrabPay), financial services (GrabFin), and a B2B /

StayVise holds your client's payment securely in escrow — releases it the moment you deliver. All through WhatsApp.

TypeScript research prototype for deterministic, explicitly authorized digital-value transfer lifecycles.

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 modular financial infrastructure specification stack for deterministic capital computation, custody, settlement, and transparency. It enables programmable, auditable financial systems across individuals and institutions. A Specification Branding License may be negotiated for attribution-free or white-label use under agreed terms.

Backend API for BIDYUT (Bangladesh Integrated Power Distribution & Utility Tracker). Powers real-time outage reporting, auto-detecting incidents, dispatching technicians, emergency line priority for hospitals/schools, live restoration tracking, digital payments & load-shedding alerts. Built with TypeScript, Express 5, PostgreSQL, Prisma 7 & Redis.