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UK Companies House Filings API
x402
UK Companies House Filings API is a paid API for AI agents from property.payapi.market, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-17).
Retrieves a list of official Companies House filing records for a given UK company by registration number
Price / call$0.001
Success—
StatusUnknown
How this service works
Production API for UK sold prices, rental yields, and stamp duty. Paid via x402 protocol. Designed for AI agent consumption.
Output
Returns a JSON object containing an array of filing records for the specified UK company, each with a date, filing type code (e.g. AA, CS01), category (e.g. accounts, confirmation-statement), and human-readable description. Also includes the total filing count and the queried company number.
Example use cases
Due diligence on a UK business
“I'm looking into acquiring a UK company — can you fetch the last 20 Companies House filings for registration number 09876543 so I can see their accounts and confirmation statement history?”
Checking compliance filing status
“Has company number 00445790 filed their latest annual accounts yet? Pull up their recent filings from Companies House so I can check.”
Researching a UK supplier's corporate history
“I need to vet a new supplier — can you get me the 15 most recent statutory filings for UK company 07654321 from Companies House?”
Technical details
Endpoint
POSThttps://property.payapi.market/filings?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need structured filing history from UK Companies House — specifically filing types, dates, and categories — for a known company registration number. Prefer it over general web search when you need machine-readable, structured corporate filing records for UK entities, especially for due diligence, compliance checks, or supplier vetting workflows.
Side effects
- Invalid or non-existent company number returns empty results or error
- Limit parameter outside 1–50 range may be rejected
- Payment failure via x402 protocol blocks the request
- Missing required company_number field returns a validation error
- Rate limiting if too many calls are made in quick succession
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| limit | integer | Max filings to return. Defaults to 20. |
| company_number | string | UK Companies House registration number. |
Output
Schema · Response
{
"type": "json",
"example": {
"filings": [
{
"date": "2024-09-30",
"type": "AA",
"category": "accounts",
"description": "Full accounts made up to 24 February 2024"
},
{
"date": "2024-07-01",
"type": "CS01",
"category": "confirmation-statement",
"description": "Confirmation statement made on 1 July 2024"
}
],
"total_count": 2,
"company_number": "00445790"
}
}Tags
x402
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