p2p-payments

Real-time bKash SMS transaction monitoring for Android — capture, store, and sync P2P payments to your own Cloudflare backend for automated payment verification.

A consumer peer-to-peer payment platform prototype demonstrating core payment lifecycles, velocity limits, and dispute handling workflows.

TrustLink Pay is an identity-first Solana payment system that lets users send and receive crypto using phone numbers and 10-digit TINs instead of wallet addresses. WhatsApp handles authentication, business verification, and payment notifications, while TSN settles payments through privacy-preserving vault routing.

WL Traders — self-hosted platform for merchants and traders: payments, payouts, disputes, USDT accounting, and merchant API.

A full-stack digital wallet platform featuring verified funding, immutable double-entry ledger accounting, QR payments, transfer automation, fraud risk controls, spending alerts, and audited admin operations.

P2P-платформа для приёма и выплат фиатных платежей: мерчанты, трейдеры, USDT и API-интеграции.

A peer-to-peer payment application backend built with Node.js, Express.js, MongoDB and JWT authentication.

Binance Escrow System is a decentralized smart contract for secure P2P crypto trades, inspired by Binance P2P. Built with Solidity and Hardhat, it enables trustless escrow, dispute resolution, and Ethereum dApp integration.

TabMate is an offline-first Android P2P expense and ledger tracker designed to easily log and manage informal debts. It lets users record, track, and settle "They Owe Me" and "I Owe Them" tabs in a smooth, non-blocking UI without needing an internet connection.

A lightweight, serverless crowdfunding platform using Google Sheets as a database and UPI for direct peer-to-peer payments. Built as a Single Page Application (SPA).

Paymenter payment gateway extension for FamGateway — a zero-fee P2P UPI payment gateway. Hosted checkout, QR fallback, and HMAC-signed webhooks.

Telegram-бот для мерчанта WL Traders: сделки, выплаты, баланс и статусы магазина без веб-панели.

Venmo — independent third-party profile of a public API surface, by API Evangelist. Venmo is a US mobile payments service owned by PayPal that lets people send, receive, and split money with friends, pay approved businesses, and hold a balance backed by a debit and credit card.

Palla — independent third-party profile of a public API surface, by API Evangelist. Palla Financial is a fintech infrastructure company that powers instant cross-border peer-to-peer (P2P) money transfers to 180+ countries. The Palla Platform Partner API lets trusted partners embed transfers into their own apps: exchange partner client credentials f

FlowPay is a modern, intelligent expense settlement platform designed to eliminate the friction of shared finances. Whether you're traveling with friends, managing household bills, or organizing group events, FlowPay ensures everyone pays their fair share with minimal transactions.

Architected a scalable P2P money transfer application with robust handling of async race conditions.

Mock P2P payment request application built with FastAPI for the IPN Developer Integration Challenge.

Send or request USDC by link — the recipient claims it walletless, seedless, and pays no gas (~30s). Sponsored Claimable Balances + an anti-drain relayer on Stellar.