2s
GET https://2s.io/api/business/uk-companies
Official UK company registry (Companies House). Two modes: pass query to search companies by name (returns company number, name, status, type, incorporation date, address), or pass companyNumber for the full registry profile — legal name, status, company type, jurisdiction, incorporation/cessation dates, SIC activity codes, registered office address, accounts (next due, last made-up-to), confirmation-statement due date, charges and insolvency flags, previous names, and the officers list (name, role, appointed/resigned dates, nationality, occupation). Free, Open Government Licence (commercial use permitted). The authoritative UK-company KYB lookup — complements business.lei (GLEIF) and business.br-cnpj (Brazil).
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://2s.io/api/business/uk-companies"
# 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 12:31 | Valid 402 | 402 | 896 ms | $0.0036 |
| 2026-10-11 08:01 | Valid 402 | 402 | 732 ms | $0.0036 |
| 2026-10-11 03:45 | Valid 402 | 402 | 293 ms | $0.0036 |
| 2026-10-10 23:15 | Valid 402 | 402 | 600 ms | $0.0036 |
| 2026-10-10 17:45 | Valid 402 | 402 | 501 ms | $0.0036 |
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