bassrehab/ISO8583-Simulator

Modern ISO 8583 simulator with CLI, Python SDK, and interactive notebooks. Parse/build/validate messages at 180k+ TPS. Supports all major card networks and EMV chip data.

48
/ 100
Emerging

This tool helps financial systems engineers and QA testers accurately simulate card payment messages. It takes raw ISO 8583 message data or human-readable descriptions as input and can validate, parse, build, and even explain payment messages for major card networks like VISA and Mastercard. The output is correctly structured messages or clear explanations, simplifying the process of testing payment gateways and financial transaction processing.

Use this if you need to reliably test, troubleshoot, or understand financial transaction messages in the ISO 8583 standard, especially for high-volume or complex scenarios involving EMV data.

Not ideal if your primary need is for a full payment gateway emulator with database integrations and complex business logic beyond message handling.

payment-processing financial-testing transaction-simulation card-networks fintech-engineering
No Package No Dependents
Maintenance 6 / 25
Adoption 7 / 25
Maturity 16 / 25
Community 19 / 25

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Stars

37

Forks

17

Language

Python

License

MIT

Last pushed

Dec 31, 2025

Commits (30d)

0

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