Company register · PL
Poland company register API for AI agents
Look up companies in the Krajowy Rejestr Sądowy (KRS, Ministry of Justice); VAT payers list (Ministry of Finance) with one MCP or REST call. Free, read-only, no API key. Every answer carries source, source URL, licence and retrieval time.
What the answer is based on
- Register: Krajowy Rejestr Sądowy (KRS, Ministry of Justice); VAT payers list (Ministry of Finance) · official site
- Identifier: KRS number (10 digits, e.g. 0000019193) or NIP (10 digits); name search also works.
- Data source used by Mandate: Krajowy Rejestr Sądowy (KRS), Open API, current extract (odpis aktualny) · publisher documentation
- Licence or reuse terms: KRS Open API of the Polish Ministry of Justice (public, no registration; names and PESEL of persons are anonymised by the source). Cite the KRS as the source.
Call it
MCP (Streamable HTTP, JSON-RPC over POST)
curl -s https://mandateoffice.com/mcp \
-H 'Content-Type: application/json' -H 'Accept: application/json, text/event-stream' \
-d '{"jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": {"name": "get_company", "arguments": {"country": "PL", "query": "0000019193"}}}'
REST
curl -s 'https://mandateoffice.com/api/company/PL/0000019193'
Part of the live answer (retrieved 2026-10-30; persons and addresses left out here)
{
"name": "POLSKIE KOLEJE PAŃSTWOWE SPÓŁKA AKCYJNA",
"krs": "0000019193",
"legal_form": "SPÓŁKA AKCYJNA",
"registered": "11.06.2001",
"register_url": "https://wyszukiwarka-krs.ms.gov.pl/"
}
Also useful
- All live company registers · /api/registries (all 27 EU states, live or link-only)
- Any EU VAT number:
get_companywithid_type: "vat"(VIES). LEI: GLEIF. - Forming a company in Poland: sp. z o.o. guide