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MGBI Products Public Registers API API Data Sources

Public Registers API

National Register of Debtors API – Entity Search

Automate data retrieval from the KRZ Entity Search Engine.

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Product description

Get access to a comprehensive, daily-updated database of bankruptcy and restructuring proceedings , as well as discontinued enforcement proceedings, disclosed in the National Debt Register.

National Register of Debtors – KRZ Search Engine

Our API for the KRZ Entity Search Engine allows you to retrieve information about individual persons or entities, as well as continuously synchronize a complete copy of the registry.

We provide data on individual cases in JSON format, which allows for further processing and easy integration into existing IT systems.

We offer real-time access to the National Debt Register (KRZ) for specific individuals and entities. This ensures you won’t miss any information about new proceedings initiated against your debtors.

Use the KRZ Entity Search API to automate your company’s KYB, risk assessment, and receivables management processes!

For more information, please refer to our API documentation.

Who is the National Register of Debtors API intended for?

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Debt collection agencies

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Banks and other financial institutions

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Loan companies

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Debt collection departments

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Risk Assessment Departments

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Law firms

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Large and medium-sized enterprises

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Companies specializing in accounts receivable management

Why utilize the API for the National Register of Debtors?

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Real-time access to data on judicial proceedings

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The API allows you to retrieve data on all companies and individuals involved in bankruptcy, restructuring, and discontinued enforcement proceedings. This enables you to quickly verify the legal status of potential business partners.

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Real-time register querying capability

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By using our service, you’ll gain access to the latest data on the debtor in question. You won’t miss any proceedings disclosed in the National Debt Register (KRZ).

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Automated monitoring of new proceedings

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The API allows you to track new bankruptcy and restructuring proceedings and easily update this data. This enables you to respond quickly to your business partners’ issues.

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Time efficiency and minimized manual effort

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Integration with the API eliminates the need to manually search the National Debt Register, allowing companies to focus on analyzing data rather than manually collecting it. Automating this process will increase your efficiency.

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Seamless integration with ERP, CRM, and compliance systems

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The API can be integrated into existing risk management systems, enabling automatic retrieval of information and verification of entities without the need to log in to external services. This will streamline decision-making processes in your company.

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Enhanced credibility and transactional security

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Up-to-date information on bankruptcy and enforcement proceedings helps you avoid risky transactions and better assess the creditworthiness of business partners. This is a key element in building stable commercial and financial relationships.

Data in the KRZ register

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  • KRS Number
  • Tax ID Number
  • REGON number
  • PESEL number
  • Case number

Case details

  • Start date
  • End/cancellation date
  • Current status
  • Court information
  • Information about the presiding judge
  • Information about the receiver/court-appointed administrator/trustee
  • Total amount of uncollected receivables
View full content
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Retrieve data conveniently

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Access via API

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Database replicas

What is the National Debt Registry Entity Search Tool?

The National Debt Register (KRZ) is a public registry maintained by the Minister of Justice that contains data on bankruptcy and restructuring proceedings, as well as on discontinued enforcement proceedings and unpaid child support.

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Benefits of using the National Debt Register API from MGBI

Our KRZ entity search engine, powered by an API, provides access to information about individuals, legal entities, and organizational units without legal personality. It is a key tool for supporting legal processes and receivables management.

The KRZ public portal ensures transparency of information, making it easier to verify the financial status of debtors and business owners. This makes it possible to quickly obtain the data needed to make legal and business decisions.

KRZ supports ongoing court enforcement proceedings and debt collection processes by providing information on the legal consequences of benefits paid by the state.

The registry system also helps analyze receivables and monitor cases where enforcement efforts have been unsuccessful, which supports the effective recovery of claims.

The National Debt Register operates as a public portal, providing online access to data. Information about proceedings is available without the need to log in, which enhances its transparency.

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Product used
Public Registers API

For what purpose do you intend to utilize this product?

How many records containing data on individual entities or persons do you intend to retrieve monthly?

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©2026 MGBI
All rights
reserved
MGBI sp. z o.o.
ul. Marszałkowska 58/15
00-545 Warsaw
NIP 7010446505
REGON 360001489
KRS 0000533676
District Court for the Capital City of Warsaw
in Warsaw, 12th Commercial Division
of the National Court Register

In our collections, we process personal data relating to the business and professional activities of natural persons, as well as court proceedings conducted against them (e.g., bankruptcy, restructuring). Detailed information on this subject is available on the Personal Data Protection page.