payment-processing

SHKeeper is a self-hosted and open-source cryptocurrency gateway payment processor. It's integrate with popular CMS, any e-commerce, your own code or product

An online Book Store createed with Python / Flask rest, MySql,Angular and Bootstrap

Python client library for the Square API

Adyen API Library for Python

Generate and validate ISO 20022 payment files (pain.001 v03-v12, pain.008) from CSV, SQLite, JSON, or Parquet. XSD and SEPA scheme validation, pain.002 and camt.053 parsers and builders, plus a CLI, REST API, MCP server, and LSP server for editor diagnostics. 🐍

Tool to generate workload on PayShield 10k or 9k for the sake of testing and demonstration.

Payment processors for Bitcoin, Ethereum, Ethereum Classic, and Cashapp. They are setup as functions for easy plugin/use.

CCParser is a Python library for credit card parsing, validation, and formatting. It extracts card details, detects providers, validates with Luhn’s algorithm, supports multiple delimiters, and formats numbers as xxxx xxxx xxxx xxxx or masked **** **** **** 1234. 🚀💳

Checkout.com SDK for Python

LightCC is a Python package that validates and retrieves details about credit card numbers using binlist.io API. It uses libraries like pycardvalidate for improved accuracy. It also has the ability to make payments via Stripe.

Real-time transaction velocity profiler and fraud sentinel detecting card-testing clusters, abnormal volume spikes, and account takeovers.

Intelligent payment recovery and smart dunning strategist optimizing decline-code retry windows and involuntary churn mitigation.

Cryptographic payment webhook ingestion guard enforcing HMAC-SHA256 signatures, sliding replay tolerance, and atomic idempotency locking.

Real-time transaction velocity profiler and fraud sentinel detecting card-testing clusters, abnormal volume spikes, and account takeovers.

Cryptographic double-entry bookkeeping engine enforcing sum(Debits) == sum(Credits) invariants and hash-chained audit trails.

Corporate treasury cash pooling and automated liquidity rebalancing optimizing yield sweeps and zero-overdraft safety buffers.

Cryptographic double-entry bookkeeping engine enforcing sum(Debits) == sum(Credits) invariants and hash-chained audit trails.

Instamojo app for Django based on Django REST Framework

Cryptographic payment webhook ingestion guard enforcing HMAC-SHA256 signatures, sliding replay tolerance, and atomic idempotency locking.

Intelligent payment recovery and smart dunning strategist optimizing decline-code retry windows and involuntary churn mitigation.