iso-8583

Paste raw hex → see the parsed ISO 8583 message instantly. Decode MTIs, visualize bitmaps, explore 128 data elements with 1,088 MCC codes. Built for payment engineers.

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.

It is a demo for scanning card and read all the information for all cards by NFC or ISO 7816

Utilities for payment card systems: card numbers, ISO 8583 messages and more.

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

ISO 8583 payment message decoder with plain-language diagnostics, built for payments support and fintech troubleshooting. Python, FastAPI.

A production-grade payment gateway that bridges legacy ISO 8583 networks and modern cloud-native payment systems.

A stdlib-only ISO-8583 messaging and payment-switching framework for Go — type-safe field access, zero-copy decode, a pluggable codec catalog, and goroutine-native concurrency.

Hands-on tutorial covering ISO-8583 messaging protocol implementation using jPOS framework for financial transaction processing

A simple PoC to demonstrate basic card transaction processing on PAX M50 device.

ISO 8583 Message Parser using JavaScript

Sample project for Chimera

ISO 8583 Breaker

Spec-driven ISO 8583 parser and builder for Go — supports primary/secondary bitmaps, LLVAR/LLLVAR, BCD encoding, and typed field errors.

ISO8583 Message Packer and Unpacker with ISOClient in Java

ISO 8583 gateway

jPOS Extended Edition

jPOS Project