Sirenic
GET https://api.sirenic.eu/v1/eu/entreprise/HR/:oib
Official Croatian company registry lookup (Sudski registar, court register, daily open-API snapshot). Query: /v1/eu/entreprise/HR/92803032010 (11-digit OIB; 8- or 9-digit MBS accepted). Returns identity (name, short name, form, seat, VAT id HR+OIB, founding date), status with the running procedure, court, capital, main activity (NKD), published e-mails, LEI group and EU funding blocks. Legal persons only: a sole trader (t.p.) or undecided form returns 404, not billed.
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X GET "https://api.sirenic.eu/v1/eu/entreprise/HR/:oib"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 11:01 | Valid 402 | 402 | 808 ms | $0.01 |
| 2026-10-11 06:30 | Valid 402 | 402 | 770 ms | $0.01 |
| 2026-10-11 02:15 | Valid 402 | 402 | 889 ms | $0.01 |
| 2026-10-10 21:45 | Valid 402 | 402 | 771 ms | $0.01 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves