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RejestrFirm

Development

Business Registry API

Overview

RejestrFirm is a microservice providing fast access to business registry data from multiple public sources. Currently focused on the Polish market — aggregating data from GUS (REGON/BIR1), CEIDG, KRS, and RDF financial documents — with EU-wide expansion planned. The system also includes VIES VAT validation across all 27 EU member states. A unified API for contractor verification, AML/KYC screening, compliance scoring, and company monitoring. Built-in alerts track registry changes (address, board, status changes) with automatic notifications. The AI-powered financial analysis module enables automatic assessment of a contractor's financial health.

Key Features

  • Polish registry data aggregation — GUS, CEIDG, KRS, RDF financial documents — in a single API
  • VIES VAT validation across all 27 EU member states — EU expansion of registry data coming soon
  • Automated compliance scoring (0–100) across 7 dimensions — financial, VAT, AML, stability, and more
  • Company monitoring with real-time alerts — track changes in status, board, address, and VAT
  • AML/KYC screening — sanctions lists (EU, OFAC, UN), PEP detection, beneficial owner identification
  • REST API with Python and JavaScript SDKs — easy integration with existing ERP and CRM systems

Quick Info

Status
Development
  • Data from GUS, CEIDG, KRS, RDF
  • VIES VAT validation — 27 EU countries
  • Compliance scoring 0–100 across 7 dimensions
  • Company monitoring with real-time alerts
  • AML/KYC screening and PEP detection
  • REST API with Python and JavaScript SDKs
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Why This Product?

Business Registry API

1

All registries in one API

GUS, CEIDG, KRS, RDF — data from multiple public sources aggregated into one consistent API. A single endpoint instead of integrating with each registry separately.

2

AI compliance scoring

Automatic contractor assessment across 7 dimensions — financial, VAT, AML, stability. A score of 0–100, objective and repeatable.

3

Real-time company monitoring

Alerts on changes to status, board, address, and VAT of your contractors. Be the first to know when something changes at your business partner.

4

AML/KYC screening

Automatic sanctions list checks, PEP detection, and beneficial owner identification.

5

Python and JavaScript SDKs

Easy integration with existing ERP and CRM systems thanks to ready-made libraries and documentation.

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Automating Company Verification via Business Registries — Registry API in Practice

Onboarding a new business partner or client requires verification in official registries — doing it manually takes hours. An automated business registry API shortens this process to seconds and eliminates human errors in contractor data.

2026-03-27 · 6 min