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CelerAPI — UK Company Profile Lookup
x402
CelerAPI — UK Company Profile Lookup is a paid API for AI agents from www.celerapi.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-08).
Fetches live structured company profile data from UK Companies House for a given company number
Price / call$0.005
Success—
StatusUnknown
How this service works
Resolve companies, legal entities and financial reference data using authoritative sources. Machine-native, pay per request, no subscription.
Output
A JSON object with a 'data' field containing structured company profile information sourced live from UK Companies House, including fields such as company name, status, type, registered address, incorporation date, and SIC codes. Also includes 'success' and 'complete' boolean flags, a 'warnings' array for any data caveats, and a 'provenance' object confirming the source, registry, freshness level (live), and jurisdiction (GB).
Example use cases
KYB check on a UK supplier
“I need to verify that our new UK supplier Acme Widgets Ltd is a legitimate active company — their Companies House number is 09876543. Can you pull their profile and confirm their status and registered address?”
Investment due diligence on a UK startup
“We're considering investing in a UK startup with company number 11234567. Can you fetch their Companies House profile so I can see their incorporation date, company type, and current status?”
Auto-populate company data from registration number
“A customer just gave us their UK company number 00445790 during onboarding — can you look them up on Companies House and get me their official company name, registered address, and SIC codes?”
Technical details
Endpoint
GEThttps://www.celerapi.com/v1/company/%7BcompanyNumber%7D/profile?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need live, structured UK company data from the authoritative Companies House registry for a known company number. It is ideal for KYB (Know Your Business) workflows, due diligence pipelines, onboarding automation, or any agent that needs to verify or enrich UK business information in real time. Prefer this over web scraping or static databases when freshness and official provenance are required. It is specifically scoped to UK-registered companies and requires a company number as input rather than a name search.
Side effects
- Invalid or non-existent company number returns an error or empty data object
- Companies House registry temporarily unavailable causes upstream timeout
- Dissolved or struck-off companies may return partial data with warnings
- Malformed company number format may result in a 400-level error
- Rate limiting or payment failure via x402 may block the request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"data": {},
"success": true,
"complete": true,
"warnings": [],
"provenance": {
"source": "UK Companies House",
"registry": "companies_house",
"freshness": "live",
"jurisdiction": "GB"
}
}
}Tags
x402
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