# Eckari UK Company Owners (PSC) Lookup

> Eckari UK Company Owners (PSC) Lookup is a paid API for AI agents from api.eckari.com, paid per call via x402, $0.008/call, status unknown (last checked 2026-09-12).

Retrieves the Persons with Significant Control (PSC/owners) data for a UK company by company number from Companies House

## Facts

- Endpoint: GET https://api.eckari.com/v1/companies/uk/%7Bcompany_number%7D/owners
- Price: $0.008/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/eckari-uk-company-owners-psc-lookup-be4818be
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_8TEGRComXN-Pobn9oTFs0

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability eckari-uk-company-owners-psc-lookup-be4818be
```

Example prompt: Who are the persons with significant control (owners) of the UK company with company number 00445790? Pull the live PSC register data from Companies House.

## When to prefer this

Use this endpoint when you need live, authoritative PSC/beneficial ownership data for a specific UK company directly from Companies House. Prefer this over manual Companies House web lookups or third-party enrichment databases when you need structured, machine-readable ownership data with real-time freshness and pay-per-call pricing via x402 (no subscription needed).

## Known failure modes

- Invalid or malformed company number returns an empty result set or error
- Company not found in Companies House register returns 404 or empty items array
- Rate limiting or payment failure via x402 returns 402 Payment Required
- Companies House upstream unavailability may cause delayed or failed responses
- Company with no PSC data returns empty items with zero active/ceased counts

## How this service works

Eckari is the machine-native utility layer for capabilities agents do not already have. Every route is a provider-neutral capability with channel pricing for Eckari account keys and accountless x402 payment.

## Output

Returns a paginated list of PSC (Persons with Significant Control) records for the specified UK company, including active and ceased owners, any exemptions (e.g. listed company exemptions under DTR5 or UK regulated market rules), statements, ownership status classification (e.g. 'exempt_listed_company'), and counts of active/ceased entries. Metadata includes source (Companies House), data freshness (live), and API version.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "data": {
   "page": {
    "limit": 10,
    "total": 0,
    "offset": 0,
    "has_more": false,
    "returned": 0,
    "next_offset": null
   },
   "items": [],
   "query": {
    "include_ceased": false
   },
   "exemptions": [
    {
     "exempt_to": "2023-02-02",
     "is_current": false,
     "description": "This is a traded, DTR5 issuing company. Therefore it may be exempt from updating its PSC information.",
     "exempt_from": "2017-06-07",
     "exemption_type": "disclosure-transparency-rules-chapter-five-applies"
    },
    {
     "exempt_to": null,
     "is_current": true,
     "description": "The company has been or is exempt from the requirement to obtain information of its PSC, as it has voting shares admitted to trading on a UK regulated market.",
     "exempt_from": "2018-06-18",
     "exemption_type": "psc-exempt-as-trading-on-uk-regulated-market"
    }
   ],
   "statements": [],
   "active_count": 0,
   "ceased_count": 0,
   "company_number": "00445790",
   "ownership_status": "exempt_listed_company",
   "active_statement_count": 0
  },
  "meta": {
   "source": "companies_house",
   "version": "3.0.0",
   "freshness": "live",
   "capability": "company.uk.owners"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/eckari-uk-company-owners-psc-lookup-be4818be/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.eckari.com](https://www.zero.xyz/host/api.eckari.com/llms.txt)