payment-testing

Local-first billing and payment virtualization layer — emulate payment providers offline: checkout flows, subscriptions, and webhooks.

Payment cryptography workflow library. EMV, DUKPT, PIN blocks, MAC, card validation, TR-31/TR-34, and HSM command inspection. Inspectable recipes for development, testing, and interoperability.

This fork extends CyberChef with a focused set of payment cryptography operations intended for engineering, debugging, and interoperability work in regulated payment environments.

NumGen - A card number generator with Luhn validation. Generates test numbers for educational and testing purposes only. Supports multiple languages.

Universal test suite for MCP servers — dual-rail payment testing (x402 + MPP/Tempo), 402 challenge validation, security audit, load testing. Works with any MCP-compatible server.

A research-backed B2B payments capstone testing financial correctness under delayed, duplicated, out-of-order, and conflicting payout events.

AI-assisted QA lab for fintech payment systems: risk analysis, test generation, API checks, and quality reports. Public

Payment gateway API test automation against Stripe's test-mode sandbox — REST Assured + Postman/Newman

Self-built mock payment API (Node.js/Express) with full-stack test automation — UI testing via Playwright, API testing via RestAssured, covering success/decline/insufficient-funds payment flows.

Um gerador de IBANs portugueses válidos (em formato) para testes de software, desenvolvimento e demonstrações.