Sirenic
GET https://api.sirenic.eu/v1/entreprise/:siren
Full French company profile by SIREN: official company data from the French company registry (INSEE Sirene / INPI RNE). One lookup returns legal name, legal form, head office, NAF code, workforce bracket, creation date, active or ceased status, officers with name and role, collective agreement, the intra-EU VAT number and, for LEI holders, the GLEIF level-2 group (groupe_lei: consolidating parents or declared reason for none). The core KYB building block for verifying a French counterparty.
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/entreprise/:siren"
# 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 09:16 | Valid 402 | 402 | 832 ms | $0.005 |
| 2026-10-11 05:00 | Valid 402 | 402 | 1165 ms | $0.005 |
| 2026-10-11 00:30 | Valid 402 | 402 | 1153 ms | $0.005 |
| 2026-10-10 20:15 | Valid 402 | 402 | 759 ms | $0.005 |
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