Sebastien Rousseau

CAMT · MT940 · OFX · TREASURY

BankStatementParser — unified transaction intelligence for treasury

Schema-validated CAMT / MT940 / PAIN parsers, OCR fallback for scanned PDFs, deterministic field mapping, SR 11-7-grade audit evidence — every transformation step recorded and reproducible.

Read case study

Schema-validated CAMT / MT940 / PAIN parsers, OCR fallback for scanned PDFs, deterministic field mapping, SR 11-7-grade audit evidence — every transformation step recorded and reproducible.

Problem

Corporate treasury teams receive bank statements in CAMT, PAIN.001, MT940, OFX, CSV, and scanned PDFs from dozens of banks. Each format carries different field semantics, encodings, and ambiguities. Most teams hand-build brittle per-bank parsers, blocking real-time cash forecasting, fraud detection, and audit-ready reconciliation.

What I built

An open-source Python toolkit that unifies every common bank statement format into a single, normalised transaction stream. Schema-validated CAMT / MT940 / PAIN parsers, OCR fallback for scanned PDFs, deterministic field mapping, and SR 11-7-grade audit evidence for every transformation step.

By the numbers

6 formats
CAMT (.052/.053/.054), MT940, OFX, CSV, OCR PDF
Per-field
Provenance: source format + parser version logged
BCBS 239
Risk-data aggregation aligned
Apache-2.0 / MIT
Free to use, fork, audit

Engineering rigour

  • Formats supported

    CAMT (.052, .053, .054), MT940, OFX, CSV, scanned PDF (OCR)

  • Normalisation target

    Single unified transaction record schema

  • Audit trail

    Per-field provenance — source format + parser version logged per row

  • License

    Apache-2.0 / MIT

Independently verified

  • Featured in the 2026-06-14 article: From Bank Statements to Unified Transaction Intelligence
  • Designed to satisfy BCBS 239 risk-data aggregation requirements

Related articles

NEXT

Want this kind of evidence in your bank?

Architecture reviews, post-quantum migration plans, treasury-API programmes — all signed, all verifiable.

Get in touch

MORE CASE STUDIES

More case studies