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SiteCheck Company Registry Lookup
x402
SiteCheck Company Registry Lookup is a paid API for AI agents from api.sitecheck-api.workers.dev, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-15).
Looks up company information from official business registries in Norway, Finland, Czech Republic, and Poland by name or registry number
Price / call$0.003
Success—
StatusUnknown
How this service works
Companies from the official registers of Norway, Finland, the Czech Republic and Poland. Search by name (Norway, Finland, Czech Republic) or look up one company by its number: Norway 9 digits, Finland Y-tunnus, Czech IČO, Poland KRS (Poland by number only). Answers give name, id, status, legal form, address, incorporation date and industry; Norway lookups by number also list managers. France is not included (see the PR).
Output
Returns a JSON object with the queried parameters, data source attribution, country, timestamp, and an array of matching companies. Each company record includes registry ID, name, active/inactive status, registered address, industry classification (code and label), legal form, official registry URL, and incorporation date.
Example use cases
Verify Norwegian supplier registration
“I'm onboarding a new supplier called Aker Solutions in Norway — can you pull their official registry record so I can confirm they're an active registered company and get their legal address?”
Due diligence on Finnish business partner
“We're considering a partnership with a Finnish company — their registry number is 1234567-8. Can you look them up in the Finnish official business register and get me their status, legal form, and registered address?”
Polish KRS number research
“I need to find the official registry details for a Polish company with KRS number 0000012345 — can you check the Polish company register and tell me their current status and industry?”
Technical details
Endpoint
GEThttps://api.sitecheck-api.workers.dev/api/company/registry?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need authoritative, official government registry data for companies in Norway, Finland, Czech Republic, or Poland. It is ideal for due diligence, supplier verification, compliance checks, and KYC workflows where official registry sourcing is required. Prefer this over web scraping or commercial databases when you need data attributed directly to official national registers.
Side effects
- Missing required 'country' query parameter returns validation error
- Unsupported country code (not no/fi/cz/pl) returns error
- Company name or ID not found in registry returns empty companies array
- Network timeout or upstream registry unavailability returns 5xx error
- Invalid registry number format (e.g. wrong digit count) may return empty results or error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"query": {
"q": "equinor",
"id": null
},
"source": "NO official register (open data)",
"country": "no",
"checkedAt": "2026-10-14T07:00:25.782Z",
"companies": [
{
"id": "923609016",
"name": "EQUINOR ASA",
"status": "active",
"address": "Forusbeen 50, 4035 STAVANGER",
"industry": {
"code": "06.100",
"label": "Utvinning av råolje"
},
"legalForm": "Allmennaksjeselskap",
"registryUrl": "https://virksomhet.brreg.no/nb/oppslag/enheter/923609016",
"incorporated": "1972-09-18"
},
{
"id": "959733600",
"name": "EQUINOR PENSJON",
"status": "active",
"address": "Forusbeen 50, 4035 STAVANGER",
"industry": {
"code": "65.300",
"label": "Pensjonskasser"
},
"legalForm": "Pensjonskasse",
"registryUrl": "https://virksomhet.brreg.no/nb/oppslag/enheter/959733600",
"incorporated": "1990-11-20"
},
{
"id": "983908179",
"name": "EQUINOR STORBAND",
"status": "active",
"address": "c/o Øystein Holt, Torbjørn Hornkloves gate 49, 4010 STAVANGER",
"industry": {
"code": "90.201",
"label": "Utøvende kunstnerisk virksomhet og underholdningsvirksomhet innenfor musikk"
},
"legalForm": "Forening/lag/innretning",
"registryUrl": "https://virksomhet.brreg.no/nb/oppslag/enheter/983908179",
"incorporated": "1990-03-13"
}
],
"attribution": "Official company register data"
}
}Tags
x402
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