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. 🐍

ISO 20022 Software Development Kit (SDK)

Open-source middleware connecting legacy core banking systems to U.S. instant payment rails — FedNow and RTP.

Static-site pipeline behind sebastienrousseau.com — long-form research on applied AI, ISO 20022 payments and post-quantum cryptography for financial services, published in 28 languages. Strict CSP, real SRI, PQC TLS, WCAG 2.2 AAA, 1849 pages, 14 CI gates.

Language Server Protocol server for authoring pain001 ISO 20022 Customer Credit Transfer Initiation data files (JSON and CSV diagnostics, completion, hover, code actions). v0.0.52 on PyPI.

"High-performance Java 21 Financial Service Mesh featuring Zero-Trust mTLS, Virtual Threads (Loom), and PCI-DSS edge tokenization

Generate & validate ISO 20022 pain.001 payment files from Claude Desktop, Cursor & other MCP clients — pain.001 v03-v12, pain.008, SEPA SCT/SDD/INST, cross-border rulebook checks. Part of the ISO 20022 MCP Suite.

Parse & reconcile ISO 20022 camt.053 bank-to-customer statements from Claude Desktop, Cursor & other MCP clients — 19 tools, CBPR+/HVPS+ readiness, SLSA-L3 provenance. Part of the ISO 20022 MCP Suite.

High-performance FIX to ISO 20022 messaging gateway powered by Java 21 Virtual Threads, Netty, and QuickFIX/J.

MCP server: reconcile ISO 20022 camt.053 statements against expected pain.001 payments -- explainable exact, partial, one-to-many and many-to-one matching.

Bridge AP2 / x402 agent-payment mandates into wire-valid ISO 20022 pain.001 / pacs.008 records, with guardrails. MCP server.

Annotated ISO 20022 XML examples: SEPA Credit Transfer (pain.001), Direct Debit (pain.008), SWIFT MT103. Free validation tool at https://iso20022generator.com

Convert legacy SWIFT MT103 single customer credit transfers into ISO 20022 pacs.008 records — schema-validated. Companion to the pacs008 suite.

Sample SEPA XML files (pain.001, pain.008) for testing and development. ISO 20022 CBI compliant.

Unified MCP gateway for ISO 20022: one meta-tool surface (search/describe/validate/generate/parse) routing across pain, pacs, camt and acmt.

Clearstream is a leading provider of post-trade infrastructure services for international securities transactions. They offer settlement, custody, and collateral management services for bonds, equities, and investment funds. The Clearstream developer surface is built on regulated post-trade messaging rather than a public REST API.

Enterprise-grade Swiss QR-Bill (ISO 20022) generation and validation system. Built with Java 21, Spring Boot 3, and Angular 18. Features FINMA-aligned security practices, strict modulo validations, and print-ready physical slip rendering.

Tazama is the first open source platform for real-time financial monitoring and fraud detection, launched by Linux Foundation Charities with support from the Bill and Melinda Gates Foundation.

Iron Vault Ledger: High-integrity Banking Ledger backend built with Python (FastAPI), PostgreSQL, and Redis. Features cryptographic chaining, idempotency, and AI-based financial forensics.

SWIFT (Society for Worldwide Interbank Financial Telecommunication) is a global member-owned cooperative providing secure financial messaging services and reference data to financial institutions worldwide.